jib

Concise Oxford English Dictionary © 2008 Oxford University Press:
jib1

▶noun

• 1 Sailing a triangular staysail set forward of the mast.

• 2 the projecting arm of a crane.

– origin C17: of unknown origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
jib2

▶verb (jibs, jibbing, jibbed) (usu. jib at)

• 1 be unwilling to do or accept something.

• 2 (of a horse) stop and refuse to go on.

– derivatives
jibber noun.

– origin C19: perh. rel. to Fr. regimber (earlier regiber) ‘to buck, rear’; cf. jibe1.