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.

Jib v. i. : The projecting arm of a crane, from which the load is suspended.

Jib v. i. : To move restively backward or sidewise, -- said of a horse; to balk.

Example:
What size twin tips should i use for Jib skiing?

Taxonomy
jib, boat, sail, staysails, mast, genoa jib, free encyclopedia, sailing boat, yachts, jib sheet, Flying jib, staysail, cruising yachts, tack, bowsprit, mainsail, innermost, cutter rig.

Defination from the web:
jib, left, compared to a genoa, right. The foretriangle is outlined in red. On a boat with two staysails the inner sail is called the staysail, and the outer (foremost) is called the jib. ... On these yachts, there are two sheets attached to the clew of the jib. ...