JIB

A triangular sail set upon a stay or halyard extending from the foremast or fore-topmast to the bowsprit or the jib boom. Large vessels often carry several jibe; as, inner jib; outer jib; flying jib; etc.

The projecting arm of a crane, from which the load is suspended. Jib boom (Naut.), a spar or boom which serves as an extension of the bowsprit. It is sometimes extended by another spar called the flying jib boom. [Written also gib 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 small jib set above and outside of all the other jibs. -- The cut of one's jib, one's outward appearance. [Colloq.] Sir W. Scott.

To move restively backward or sidewise, -- said of a horse; to balk. [Written also jibb.] [Eng.]