1. A bend, turn, or curve; curvature; flexure. Through lanes, and crooks, and darkness. Phaer. 2. Any implement having a bent or crooked end. Especially: (a) The staff used by a shepherd, the hook of which serves to hold a runaway sheep. (b) A bishop's staff of office. Cf. Pastoral stafu. He left his crook, he left his flocks. Prior. 3. A pothook. "As black as the cr...