noun
The presiding cook in the kitchen of a large household.
The head cook of a restaurant or other establishment.
Any cook.
(slang) One who manufactures illegal drugs; a cook.
(historical) A reliquary in the shape of a head.
verb
(stative, informal) To work as a chef; to prepare and cook food professionally.
(MLE, transitive) To stab with a knife, to shank.
(Internet slang) To impress others.