(Ja*mai"can) a. Of or pertaining to Jamaica. n. A native or inhabitant of Jamaica.
(Ja*ma"i*cine) n. [From Jamaica.] (Chem.) An alkaloid said to be contained in the bark of
Geoffroya inermis, a leguminous tree growing in Jamaica and Surinam; called also jamacina. Watts.
(Jamb) n. [Prov. E. jaumb, jaum, F. jambe a leg, jambe de force a principal rafter. See Gambol.]
1. (Arch) The vertical side of any opening, as a door or fireplace; hence, less properly, any narrow vertical
surface of wall, as the of a chimney-breast or of a pier, as distinguished from its face. Gwilt.
2. (Mining) Any thick mass of rock which prevents miners from following the lode or vein.
(Jamb) v. t. See Jam, v. t.
(Jam*bee") n. [See Jamb, n.: cf. OF. jamboier to walk.] A fashionable cane. [Obs.] Tatler.
(Jambes Jam"beux) n. pl. [From F. jambe a leg: cf. OF. jambiere. See Jamb, n.] (Ancient
Armor) In the Middle Ages, armor for the legs below the knees. [Written also giambeux.] Chaucer.
(||Jam`bo*la"na) n. [Cf. Pg. jambolão a kind of tropical fruit.] (Bot.) A myrtaceous tree of
the West Indies and tropical America with astringent bark, used for dyeing. It bears an edible fruit.
(||Jam"da*ni) n. A silk fabric, with a woven pattern of sprigs of flowers. [Written also jamdanee.]
(Ja"me*son*ite) n. [From Prof. Jameson, of Edinburgh.] (Min.) A steel-gray mineral, of
metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron.
(James"'s pow`der) (Med.) Antimonial powder, first prepared by Dr. James, an English
physician; called also fever powder.