What is Cook ?
Cook is (noun) a person who gets food ready He worked as a cook in a pub during the summer. Synonym chef he’s a very good cook he makes very good food(verb) 1. to get food ready for eating, especially by heating it Don’t bother your mother when she’s cooking the dinner. How do you cook cabbage? 2. to get food ready by heating The chicken is cooking in the oven. How long do these vegetables take to cook? 3. to cook the books, the accounts to deliberately write down the wrong amounts of money in account books (informal.) The accountant had been cooking the books for years.
source: Easier English, Student Dictionary Upper Intermediate Level