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{ n. [ Gr. 'a priv. + &unr_; to gape. ] (Bot.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; -- called a naked seed by the earlier botanists. [ Written also akene and achænium. ] [ 1913 Webster ]

n. [ Gr. &unr_; a point + 'e`rgon work. ] Operative surgery. [ 1913 Webster ]

n. 1. 1 a genus of herbs and shrubs of Australia and Southern Africa, with an everlasting flower; most species are usually placed in genus Helipterum.
Syn. -- genus Acroclinium [ WordNet 1.5 ]

‖n. [ Gr. 'a`kros topmost + poy`s, podo`s, foot. ] (Zool.) The entire upper surface of the foot. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; topmost + &unr_; tarsus. ] (Zool.) The instep or front of the tarsus. [ 1913 Webster ]

‖n.; pl. Acroteria [ L., fr. Gr. 'akrwth`rion summit, fr. 'a`kros topmost. ] (Arch.) (a) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment. Acroteria are also sometimes placed upon the gables in Gothic architecture. J. H. Parker. (b) One of the pedestals, for vases or statues, forming a part roof balustrade. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray. ] (Chem.) A supposed metal, said by Phipson to be contained in commercial zinc; -- so called because certain of its compounds are darkened by exposure to light. [ 1913 Webster ]

n. 1. naval battle where Antony and Cleopatra were defeated by Octavian's fleet under Agrippa in 31 BC. [ WordNet 1.5 ]

‖n.; pl. Æcidia [ NL., dim. of Gr. &unr_; injury. ] (Bot.) A form of fruit in the cycle of development of the Rusts or Brands, an order of fungi, formerly considered independent plants. [ 1913 Webster ]

n. [ L. Aesculapius, Gr. &unr_;. ] (Myth.) The god of medicine. Hence, a physician. [ 1913 Webster ]

prop. n. A genus of birds including the red-winged blackbirds.
Syn. -- genus Agelaius. [ WordNet 1.5 ]

‖n. [ Gr. &unr_; a zoöphyte, so called from being like the halcyon's nest. ] (Zool.) A genus of fleshy Alcyonaria, its polyps somewhat resembling flowers with eight fringed rays. The term was also formerly used for certain species of sponges. [ 1913 Webster ]

‖adv. & a. [ L. ] (Law) From another source; from elsewhere; as, a case proved aliunde; evidence aliunde. [ 1913 Webster ]

‖n. [ L., garlic. ] (bot.) A genus of plants, including the onion, garlic, leek, chive, etc. [ 1913 Webster ]

n. [ LL. allodium, alodium, alodis, alaudis, of Ger. origin; cf. OHG. al all, and &unr_;t (AS. eād) possession, property. It means, therefore, entirely one's property. ] (Law) Freehold estate; land which is the absolute property of the owner; real estate held in absolute independence, without being subject to any rent, service, or acknowledgment to a superior. It is thus opposed to feud. Blackstone. Bouvier. [ 1913 Webster ]

n.; pl. E. Alluviums, L. Alluvia [ L., neut. of alluvius. See Alluvious. ] (Geol.) Deposits of earth, sand, gravel, and other transported matter, made by rivers, floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas. Lyell. [ 1913 Webster ]

n. 1. 1 type genus of the family Alopiidae; in some classifications considered a genus of the family Lamnidae.
Syn. -- genus Alopius [ WordNet 1.5 ]

n. [ L. alumen. See Alum. ] (Chem.) same as aluminum, chiefly British in usage. [ 1913 Webster ]

Aluminium bronze or
gold, a pale gold-colored alloy of aluminium and copper, used for journal bearings, etc. [ 1913 Webster ]

n. A natural family of fish comprising the North American catfishes.
Syn. -- family Ameiuridae. [ WordNet 1.5 ]

n. 1. 1 the type genus of the Ameiuridae: bullhead catfishes.
Syn. -- genus Ameiurus. [ WordNet 1.5 ]

n. 1. any plant of the genus Ammobium having yellow flowers and silvery foliage. [ WordNet 1.5 ]

n. [ See Ammonia. ] (Chem.) A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.
[ 1913 Webster ]

‖n.; pl. L. Amphibia E. Amphibiums [ NL., fr. Gr. &unr_; (sc. &unr_; an animal). See Amphibious. ] An amphibian. [ 1913 Webster ]

‖n. (Zool.) A genus of amphibians, inhabiting the Southern United States, having a serpentlike form, but with four minute limbs and two persistent gill openings; the Congo snake. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; similar to + &unr_; heart; -- the fruit of this plant being thought to resemble the heart of a bird. ] (Bot.) A genus of plants including the cashew tree. See Cashew. [ 1913 Webster ]

‖n. [ NL., from Gr. 'anh`r, 'andro`s, man + &unr_; house. ] (bot.) The stamens of a flower taken collectively. [ 1913 Webster ]

‖ n. [ From Gr. 'a`noplos unarmed ('an priv. + 'o`plon an implement, weapon) + qhri`on beast. ] (Paleon.) A genus of extinct quadrupeds of the order Ungulata, whose were first found in the gypsum quarries near Paris; characterized by the shortness and feebleness of their canine teeth (whence the name). [ 1913 Webster ]

‖n. [ LL., fr. L. ante + pendere to hang. ] (Eccl.) The hangings or screen in front of the altar; an altar cloth; the frontal. Smollett. [ 1913 Webster ]

‖n.; pl. Antheridia [ Anther + &unr_; (a Gr. diminutive ending). ] (Bot.) The male reproductive apparatus in the lower plants, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. -- An`ther*id"i*al a. [1913 Webster]

‖n. [ NL., from Gr. &unr_; like flowers, flowery; 'a`nqos flower + e'i^dos form. ] (Bot.) The inflorescence of a compound flower in which many florets are gathered into a involucrate head. [ 1913 Webster ]

‖n. [ L., fr. Gr. 'anti` + &unr_;. See Bacchius. ] (Pros.) A foot of three syllables, the first two long, and the last short (#). [ 1913 Webster ]

‖n. [ NL. ] (Anat.) That part of the fore limb between the brachium and the carpus; the forearm. [ 1913 Webster ]

‖n.; pl. Anticlinoria [ NL., fr. Gr. 'anti` against + kli`nein to incline + 'o`ros mountain. ] (Geol.) The upward elevation of the crust of the earth, resulting from a geanticlinal. [ 1913 Webster ]

a. (Chem.) Combined with or containing antimony; as, antimoniureted hydrogen. [ Written also antimoniuretted. ] [ 1913 Webster ]

{ ‖ } n. [ L. apocrisiarius, apocrisarius, fr. Gr. &unr_; answer, fr. &unr_; to answer; &unr_; from + &unr_; to separate. ] (Eccl.) A delegate or deputy; especially, the pope's nuncio or legate at Constantinople. [ 1913 Webster ]

‖n. [ L., fr. Gr. &unr_;, fr. &unr_; to strip one's self. ] (Anc. Arch.) The apartment at the entrance of the baths, or in the palestra, where one stripped; a dressing room. [ 1913 Webster ]

‖ n.; pl. Apothecia [ NL. ] (Bot.) The ascigerous fructification of lichens, forming masses of various shapes. [ 1913 Webster ]

n.; pl. E. Aquariums L. Aquaria [ L. See Aquarius, Ewer. ] An artificial pond, or a globe or tank (usually with glass sides), in which living specimens of aquatic animals or plants are kept. [ 1913 Webster ]

‖n. [ L. aquarius, adj., relating to water, and n., a water-carrier, fr. aqua. See Aqua. ] (Astron.) (a) The Water-bearer; the eleventh sign in the zodiac, which the sun enters about the 20th of January; -- so called from the rains which prevail at that season in Italy and the East. (b) A constellation south of Pegasus. [ 1913 Webster ]

‖n. [ NL. See Arachnida. ] (Zool.) The glandular organ in which the material for the web of spiders is secreted. [ 1913 Webster ]

prop. n. A genus of chiefly American plants parasitic on conifers.
Syn. -- genus Arceuthobium. [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. &unr_; the first of a race. ] (Bot.) The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants. [ 1913 Webster ]

n. 1. a primitive cell or group of cells from which a mother cell develops.
Syn. -- archespore. [ WordNet 1.5 ]

n. 1. 1 the olfactory cortex of the cerebrum.
Syn. -- paleocortex [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. pref. 'archi- (E. arch-) + ptery`gion wing, fin. ] (Anat.) The primitive form of fin, like that of Ceratodus. [ 1913 Webster ]

n. 1. 1 the burdock.
Syn. -- genus Arctium. [ WordNet 1.5 ]

n. [ NL.; L. argentum silver + E. aluminium. ] A (patented) alloy of aluminium and silver, with a density of about 2.9. [ Webster 1913 Suppl. ]

n. 1. 1 a small genus of Hawaiian spreading and rosette-forming shrubs.
Syn. -- genus Argyroxiphium. [ WordNet 1.5 ]