v. t. & i. [ imp. & p. p. Gybed p. pr. & vb. n. Gybing. ] [ See Jibe. ] (Naut.) To shift from one side of a vessel to the other; -- said of the boom of a fore-and-aft sail when the vessel is steered off the wind until the sail fills on the opposite side. [ Also jibe. ] [ 1913 Webster ] | 