n. [ Named from its shifting from side to side. See Jib, v. i.., Jibe. ] [ 1913 Webster ]

1. (Naut.) A triangular sail set upon a stay or halyard extending from the foremast or fore-topmast to the bowsprit or the jib boom. Large vessels often carry several jibs; as, inner jib; outer jib; flying jib; etc. [ 1913 Webster ]

2. (Mach.) The projecting arm of a crane, from which the load is suspended. [ 1913 Webster ]

3. One that jibs, or balks; a jibber. [ Webster 1913 Suppl. ]

4. A stationary condition; a standstill. [ Webster 1913 Suppl. ]

Jib boom (Naut.), a spar or boom which serves as an extension of the bowsprit. It is sometimes extended by another spar called the flying jib boom. [ Written also gib boom. ] --
Jib crane (Mach.), a crane having a horizontal jib on which a trolley moves, bearing the load. --
Jib door (Arch.), a door made flush with the wall, without dressings or moldings; a disguised door. --
Jib header (Naut.), a gaff-topsail, shaped like a jib; a jib-headed topsail. --
Jib topsail (Naut.), a small jib set above and outside of all the other jibs. --
The cut of one's jib, one's outward appearance. [ Colloq. ] Sir W. Scott. [ 1913 Webster ]

v. i. [ Connected with jibe; cf. OF. giber to shake. ] To move restively backward or sidewise, -- said of a horse; to balk. [ Written also jibb. ] [ Eng. ] [ 1913 Webster ]

v. t. & i. [ imp. & p. p. Jibbed p. pr. & vb. n. Jibbing. ] Also . [ Cf. Jib a sail, Gybe. ] (Chiefly Naut.) To shift, or swing round, as a sail, boom, yard, etc., as in tacking. [ Webster 1913 Suppl. ]

n. A horse that jibs. [ Eng. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Jibed p. pr. & vb. n. Jibing ] [ Cf. Dan. gibbe, D. gijpen, v. i., and dial. Sw. gippa to jerk. Cf. Jib, n. & v. i. ] (Naut.) To shift, as the boom of a fore-and-aft sail, from one side of a vessel to the other when the wind is aft or on the quarter. See Gybe. [ 1913 Webster ]

v. i. 1. (Naut.) To change a ship's course so as to cause a shifting of the boom. See Jibe, v. t., and Gybe. [ 1913 Webster ]

2. To agree; to harmonize. [ Colloq. ] Bartlett. [ 1913 Webster ]