%rachi%

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

a. (Med.) Good against the rickets. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. batra`cheios belonging to a frog, fr. ba`trachos frog. ] (Zool.) The order of amphibians which includes the frogs and toads; the Anura. Sometimes the word is used in a wider sense as equivalent to Amphibia. [ 1913 Webster ]

a. (Zool.) Pertaining to the Batrachia. -- n. One of the Batrachia. [ 1913 Webster ]

‖n. pl. See Brachium. [ 1913 Webster ]

r a. [ L. brachialis (bracch-), from bracchium (bracch-) arm: cf. F. brachial. ] 1. (Anat.) Pertaining or belonging to the arm; as, the brachial artery; the brachial nerve. [ 1913 Webster ]

2. Of the nature of an arm; resembling an arm. [ 1913 Webster ]

‖n. pl. [ See Brachiate. ] (Zool.) A division of the Crinoidea, including those furnished with long jointed arms. See Crinoidea. [ 1913 Webster ]

a. [ L. brachiatus (bracch-) with boughs or branches like arms, from brackium (bracch-) arm. ] (Bot.) Having branches in pairs, decussated, all nearly horizontal, and each pair at right angles with the next, as in the maple and lilac. [ 1913 Webster ]

n. One of the Brachioganoidei. [ 1913 Webster ]

‖n. pl.[ NL., from L. brachium (bracch-) arm + NL. ganoidei. ] (Zool.) An order of ganoid fishes of which the bichir of Africa is a living example. See Crossopterygii. [ 1913 Webster ]

‖n. pl. [ NL., fr. L. brachiolum (bracch-), dim. of brachium (bracch-) arm. ] (Zool.) A peculiar early larval stage of certain starfishes, having a bilateral structure, and swimming by means of bands of vibrating cilia. [ 1913 Webster ]

n. [ Cf.F. brachiopode. ] (Zool.) One of the Brachiopoda, or its shell. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; arm + -poda. ] (Zool.) A class of Molluscoidea having a symmetrical bivalve shell, often attached by a fleshy peduncle. [ 1913 Webster ]

☞ Within the shell is a pair of “arms, ” often long and spirally coiled, bearing rows of ciliated tentacles by which a current of water is made to flow into the mantle cavity, bringing the microscopic food to the mouth between the bases of the arms. The shell is both opened and closed by special muscles. They form two orders; Lyopoma, in which the shell is thin, and without a distinct hinge, as in Lingula; and Arthropoma, in which the firm calcareous shell has a regular hinge, as in Rhynchonella. See Arthropomata. [ 1913 Webster ]

‖n.; pl. Bracchia [ L. brachium or bracchium, arm. ] (Anat.) The upper arm; the segment of the fore limb between the shoulder and the elbow. [ 1913 Webster ]

a. (Zool.) Between the arms. [ 1913 Webster ]

a. [ L. nudus naked + brachium an arm. ] (Zool.) Having tentacles without vibratile cilia. Carpenter. [ 1913 Webster ]

n. 1. A student who attains higher standards than expected based on the IQ score. [ WordNet 1.5 ]

2. A person whose achievements exceed what was expected based on his/her background, education, or mental ability. [ PJC ]

‖n. [ NL. See Pleuro-, and Brachium. ] (Zool.) A genus of ctenophores having an ovate body and two long plumose tentacles. [ 1913 Webster ]

‖n. [ NL., fr. Gr. "ra`chis backbone + 'a`lgos pain.] (Med.) A painful affection of the spine; especially, Pott's disease; also, formerly, lead colic. [1913 Webster]

a. [ See Rachis. ] (Anat. & Zool.) Of or pertaining to the rachis; spinal; vertebral. Same as Rhachidian. [ 1913 Webster ]

‖n. [ NL. ] (Bot.) Same as Rhachilla. [ 1913 Webster ]

a. (Zool.) Same as Rhachiodont. [ 1913 Webster ]

‖n.; pl. E. Rachises L. Rachides [ NL., fr. Gr. "ra`chis, -ios.] [Written also rhachis.] 1. (Anat.) The spine; the vertebral column. [1913 Webster]

2. (Bot. & Zool.) Same as Rhachis. [1913 Webster]

a. [ Cf. F. rachitique. See Rachitis. ] (Med.) Of or pertaining to rachitis; affected by rachitis; rickety. [ 1913 Webster ]

‖n. [ NL., fr. Gr. "rachi^tis (sc. nosos), fr. "ra`chis, -ios, the spine. ] [ Written also rhachitis. ] 1. (Med.) Literally, inflammation of the spine, but commonly applied to the rickets. See Rickets. [ 1913 Webster ]

2. (Bot.) A disease which produces abortion in the fruit or seeds. Henslow. [ 1913 Webster ]

n. [ F., fr. Gr. "ra`chis, -ios, the spine + te`mnein to cut.] A dissecting instrument for opening the spinal canal. [Written also rachiotome.] [1913 Webster]

‖n. pl. [ NL. See Sauria, and Batrachia. ] (Zool.) The Urodela. [ 1913 Webster ]

a. Of or pertaining to the subbrachians. [ 1913 Webster ]

‖n. pl. [ NL. See Sub-, and Brachial. ] (Zool.) A division of soft-finned fishes in which the ventral fins are situated beneath the pectorial fins, or nearly so. [ 1913 Webster ]

n. [ Pref. sub- + brachium. ] (Zool.) One of the Subbrachiales. [ 1913 Webster ]

a. (Zool.) Of, pertaining to, or like, Trachinus, a genus of fishes which includes the weevers. See Weever. [ 1913 Webster ]