JIB n.
ib boom.] -- Jib crane (Mach.), a crane having a horizontal jib on which a trolley moves, bearing the load. -- Jib door (Arch.), a door made flush with the wall, without dressings or moldings; a disguised door. -- Jib header (Naut.), a gaff-topsail, shaped like a jib; a jib- headed topsail. -- Jib topsail (Naut.), a…
JOURNAL n.
That portion of a rotating piece, as a shaft, axle, spindle, etc., which turns in a bearing or box. See Illust. of Axle box. Journal box, or Journal bearing (Mach.) the carrier of a journal; the box in which the journal of a shaft, axle, or pin turns.
JUNGLE n.
oos, canes, and other palms, very difficult to penetrate. Balfour (Cyc. of India). Jungle bear (Zoöl.), the aswail or sloth bear. -- Jungle cat (Zoöl.), the chaus. -- Jungle cock (Zoöl.), the male of a jungle fowl. -- Jungle fowl. (Zoöl.) (a) Any wild species of the genus Gallus, of which several species inhabit Ind…