Jib, n.
n. [Cf. Prov. Eng. jibs, tatters.]
Sense 1. (Naut.) The foremost sail of a ship, being a large, triangular stay-sail extended from the outer end of the jib-boom toward the fore topmast-head. In sloops, it is on the bowsprit, and extends toward the lower mast-head.
Sense 2. (Mech.) The projecting beam of a crane, from which the pulleys and weight are suspended.