n.
Function: noun
Etymology: Middle English crok, from Old Norse kr ō kr hook
Date: 13th century
1 : an implement having a bent or hooked form: as a : POTHOOK b (1) : a shepherd's staff (2) : CROSIER 1
2 : a part of something that is hook-shaped, curved, or bent <the crook of an umbrella handle>
3 : BEND , CURVE
4 : a person who engages in fraudulent or criminal practices