What is Hock ?
Hock is (noun) 1. the lower part of a pig’s leg, used as food We had boiled hock for dinner 2. any white wine from the Rhine valley in Germany We opened a bottle of hock. 3. in hock to someone in debt to or owing money to someone (informal.) The company is in hock to the banks. (verb) to pawn something (informal.) I was so desperate that I hocked my watch. Synonym pawn
source: Easier English, Student Dictionary Upper Intermediate Level