Source : Webster's Revised Unabridged Dictionary (1913)

Jib \Jib\, v. t. & i. [imp. & p. p. {Jibbed}; p. pr. & vb. n.
   {Jibbing}.] Also Jibb \Jibb\ [Cf. {Jib} a sail, {Gybe}.]
   (Chiefly Naut.)
   To shift, or swing round, as a sail, boom, yard, etc., as in
   tacking.

Source : WordNet®

jibbing
     See {jib}

jib
     n : any triangular fore-and-aft sail (set forward of the
         foremast)
     v 1: refuse to comply [syn: {resist}, {balk}, {baulk}]
     2: shift from one side of the ship to the other; "The sail
        jibbed wildly" [syn: {jibe}, {gybe}, {change course}]
     [also: {jibbing}, {jibbed}]