JIB

I. noun Etymology: origin unknown Date: 1661 a triangular sail set on a stay extending usually from the head of the foremast to the bowsprit or the ~boom, II. noun Etymology: probably by shortening & alteration from gibbet Date: 1764 the projecting arm of a crane, a derrick boom, III. intransitive verb (~bed; ~bing) Etymology: probably from ~ to shift from one side of a ship to the other, perhaps from 1~ Date: 1811 to refuse to proceed further ; balk , ~ber noun