Definition of jib

• v. i. - 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.
• v. i. - The projecting arm of a crane, from which the load is suspended.
• v. i. - To move restively backward or sidewise, -- said of a horse; to balk.