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a. [ L. ab. + E. oral. ] (Zool.) Situated opposite to, or away from, the mouth. [ 1913 Webster ]

‖n. [ F. ] Manner of approaching or accosting; address. Chesterfield. [ 1913 Webster ]

v. t. [ F. aborder, à (L. ad) + bord rim, brim, or side of a vessel. See Border, Board. ] To approach; to accost. [ Obs. ] Digby. [ 1913 Webster ]

a. [ See Aborigines. ] 1. First; original; indigenous; primitive; native; as, the aboriginal tribes of America. “Mantled o'er with aboriginal turf.” Wordsworth. [ 1913 Webster ]

2. Of or pertaining to aborigines; as, a Hindu of aboriginal blood. [ 1913 Webster ]

n. 1. An original inhabitant of any land; one of the aborigines. [ 1913 Webster ]

2. An animal or a plant native to the region. [ 1913 Webster ]

It may well be doubted whether this frog is an aboriginal of these islands. Darwin. [ 1913 Webster ]

n. The quality of being aboriginal. Westm. Rev. [ 1913 Webster ]

adv. Primarily. [ 1913 Webster ]

n. pl. [ L. Aborigines; ab + origo, especially the first inhabitants of Latium, those who originally (ab origine) inhabited Latium or Italy. See Origin. ] 1. The earliest known inhabitants of a country; native races. [ 1913 Webster ]

2. The original fauna and flora of a geographical area [ 1913 Webster ]

n. Abortment; abortion. [ Obs. ] Bp. Hall. [ 1913 Webster ]

a. Abortive. [ Obs. ] Fuller. [ 1913 Webster ]

v. i. [ L. abortare, fr. abortus, p. p. of aboriri; ab + oriri to rise, to be born. See Orient. ] [ 1913 Webster ]

1. To miscarry; to bring forth young prematurely. [ 1913 Webster ]

2. (Biol.) To become checked in normal development, so as either to remain rudimentary or shrink away wholly; to become sterile. [ 1913 Webster ]

3. to stop, cease, or fail prior to normal completion. [ PJC ]

v. t. to cause (an action or process) to stop at an early stage, or before normal completion; as, to abort a rocket flight. [ PJC ]

n. [ L. abortus, fr. aboriri. ] 1. An untimely birth. [ Obs. ] Sir H. Wotton. [ 1913 Webster ]

2. An aborted offspring. [ Obs. ] Holland. [ 1913 Webster ]

a. 1. Brought forth prematurely. [ 1913 Webster ]

2. (Biol.) Rendered abortive or sterile; undeveloped; checked in normal development at a very early stage; as, spines are aborted branches. [ 1913 Webster ]

3. stopped prior to normal completion. [ PJC ]

The eyes of the cirripeds are more or less aborted in their mature state. Owen. [ 1913 Webster ]

n. [ L. abortus + caedere to kill. See Abort. ] (Med.) The act of destroying a fetus in the womb; feticide. [ archaic ] AS [ 1913 Webster ]

a. [ L. abortus (see Abort, v.) + faciens, p. pr. of facere to make. ] Producing miscarriage. -- n. A drug or an agent that causes premature delivery. [ 1913 Webster ]

n. [ L. abortio, fr. aboriri. See Abort. ] 1. The act of giving premature birth; particularly, the expulsion of the human fetus prematurely, or before it is capable of sustaining life; miscarriage. [ 1913 Webster ]

2. The immature product of an untimely birth; a fetus which has been delivered prematurely due to spontaneous or voluntary abortion, and is dead. [ 1913 Webster +PJC ]

3. (Biol.) Arrest of development of any organ, so that it remains an imperfect formation or is absorbed. [ 1913 Webster ]

4. Any fruit or produce that does not come to maturity, or anything which in its progress, before it is matured or perfect; a complete failure; as, his attempt proved an abortion. [ 1913 Webster ]

5. the removal of a fetus from the womb prior to normal delivery in a manner such as to cause the death of the fetus; also called voluntary abortion, or when performed by a physician, therapeutic abortion. [ PJC ]

In the 1913 Webster there was the following note appended to sense 1:
☞ It is sometimes used for the offense of procuring a premature delivery, but strictly the early delivery is the abortion, “causing or procuring abortion” is the full name of the offense. Abbott. [ PJC ]

6. something considered to be a repulsive or monstrous variant of a normal object; a monstrosity. [ PJC ]

a. Pertaining to abortion; miscarrying; abortive. Carlyle. [ 1913 Webster ]

n. One who performs or procures abortion; among medical personnel, also called an abortion provider. The word abortionist has negative connotations from the time when the practise was illegal in the United States, and the latter term is preferred among those who do not consider the procedure as morally reprehensible. [ 1913 Webster +PJC ]

n. same as abortionist. [ PJC ]

a. [ L. abortivus, fr. aboriri. See Abort, v. ] 1. Produced by abortion.as, an abortive child. [ R. ] [ 1913 Webster + AS ]

2. Made from the skin of a still-born animal; as, abortive vellum. [ Obs. ] [ 1913 Webster ]

3. Rendering fruitless or ineffectual. [ Obs. ] “Plunged in that abortive gulf.” Milton. [ 1913 Webster ]

4. Coming to naught; failing in its effect; miscarrying; fruitless; unsuccessful; as, an abortive attempt. “An abortive enterprise.” Prescott. [ 1913 Webster ]

5. (Biol.) Imperfectly formed or developed; rudimentary; sterile; as, an abortive organ, stamen, ovule, etc. AS [ 1913 Webster ]

6. (Med.) (a) Causing abortion; as, abortive medicines. Parr. AS (b) Cutting short the period of an illness; as, abortive treatment of typhoid fever. [ 1913 Webster + AS ]

n. 1. That which is born or brought forth prematurely; an abortion. [ Obs. ] Shak. [ 1913 Webster ]

2. A fruitless effort or issue. [ Obs. ] [ 1913 Webster ]

3. (Med.) A medicine to which is attributed the property of causing abortion; -- also called an abortifacient. Dunglison. [ 1913 Webster +PJC ]

adv. In an abortive or untimely manner; immaturely; fruitlessly. [ 1913 Webster ]

n. The quality of being abortive. [ 1913 Webster ]

n. Abortion. [ Obs. ] [ 1913 Webster ]

n. a fetus which has been aborted; same as abortion{ 2 }. [ PJC ]

adj. 1. conveyed by or through air, as dust or pollen; as, a clean room is needed to avoid airborne contaminants. [ WordNet 1.5 ]

2. in flight; flying; -- said of an airplane. [ PJC ]

3. (Mil.) carried directly to the site of battle by aircraft; -- said of combat troops, as, an airborne division. [ PJC ]

‖n. [ Ar. al-burāq, fr. baraqa to flash, shine. ] The imaginary milk-white animal on which Mohammed was said to have been carried up to heaven; a white mule. [ 1913 Webster ]

a. opposed to legal voluntary abortion. [ PJC ]

n. a person who is opposed to legal voluntary abortion. [ PJC ]

n. [ OE. herber, herbere, properly a garden of herbs, F. herbier, fr. L. herbarium. See Herb, and cf. Herbarium. ] A kind of latticework formed of, or covered with, vines, branches of trees, or other plants, for shade; a bower. Sir P. Sidney. [ 1913 Webster ]

n. [ Written also arbour. ] [ L., a tree, a beam. ] 1. (Bot.) A tree, as distinguished from a shrub. [ 1913 Webster ]

2. [ Cf. F. arbre. ] (Mech.) (a) An axle or spindle of a wheel or opinion. (b) A mandrel in lathe turning. Knight. [ 1913 Webster ]

adj. 1. 1 abounding in trees. an arboraceous landscape
Syn. -- arboreous, woodsy, woody. [ WordNet 1.5 ]

Arbor Day, a day appointed for planting trees and shrubs. [ U.S. ] [ 1913 Webster ]

a. [ L. arborarius, fr. arbor tree. ] Of or pertaining to trees; arboreal. [ 1913 Webster ]

n. [ L., fr. arbor tree. ] One who plants or who prunes trees. [ Obs. ] Evelyn. [ 1913 Webster ]

‖ [ L., the tree of Diana, or silver. ] (Chem.) A precipitation of silver, in a beautiful arborescent form. [ 1913 Webster ]

a. 1. Of or pertaining to a tree, or to trees; of nature of trees. Cowley. [ 1913 Webster ]

2. Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals. [ 1913 Webster ]

Woodpeckers are eminently arboreal. Darwin. [ 1913 Webster ]

a. Furnished with an arbor; lined with trees. “An arboreal walk.” Pollok. [ 1913 Webster ]

a. [ L. arboreous, fr. arbor tree. ] 1. Having the form, constitution, or habits, of a proper tree, in distinction from a shrub. Loudon. [ 1913 Webster ]

2. Pertaining to, or growing on, trees; as, arboreous moss. Quincy. [ 1913 Webster ]

n. The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form; as, the arborescence produced by precipitating silver. [ 1913 Webster ]

a. [ L. arborescens, p. pr. of arborescere to become a tree, fr. arbor tree. ] Resembling a tree; becoming woody in stalk; dendritic; having crystallizations disposed like the branches and twigs of a tree. “Arborescent hollyhocks.” Evelyn. [ 1913 Webster ]

adj. 1. resembling a tree in form and branching structure.
Syn. -- arboreal, arboreous, arborescent, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shaped. [ WordNet 1.5 ]

n. [ OF. arboret, dim. of arbre tree, L. arbor ] A small tree or shrub. [ Obs. ] Spenser. [ 1913 Webster ]

Among thick-woven arborets, and flowers
Imbordered on each bank. Milton. [ 1913 Webster ]

‖n.; pl. Arboreta [ L., a place grown with trees. ] A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes. [ 1913 Webster ]

a. Relating to trees. [ Obs. ] [ 1913 Webster ]

a. [ L. arbor + colere to inhabit. ] (Zool.) Tree-inhabiting; -- said of certain birds. [ 1913 Webster ]

a. Pertaining to arboriculture. Loudon. [ 1913 Webster ]

n. [ L. arbor tree + cultura. See Culture. ] The cultivation of trees and shrubs, chiefly for timber or for ornamental purposes. [ 1913 Webster ]