Definition of crook

• n. - A bend, turn, or curve; curvature; flexure.
• n. - Any implement having a bent or crooked end.
• n. - The staff used by a shepherd, the hook of which serves to hold a runaway sheep.
• n. - A bishop's staff of office. Cf. Pastoral staff.
• n. - A pothook.
• n. - An artifice; trick; tricky device; subterfuge.
• n. - A small tube, usually curved, applied to a trumpet, horn, etc., to change its pitch or key.
• n. - A person given to fraudulent practices; an accomplice of thieves, forgers, etc.
• n. - To turn from a straight line; to bend; to curve.
• n. - To turn from the path of rectitude; to pervert; to misapply; to twist.
• v. i. - To bend; to curve; to wind; to have a curvature.