The Meaning of Cook

1 cook /ˈkʊk/ noun
plural cooks
Refers to someone who prepares and cooks food for eating
She is a good cook.
2 cook /ˈkʊk/ verb
cooks; cooked; cooking
to prepare food by heating it, for example by boiling, baking or frying it
Where did you learn to cook?
[With an object]
Cook the onions over low/medium/high heat.
She cooked a great meal.
I’ll cook dinner tonight.

Idioms
cook the books (informal)
to change facts or figures dishonestly or illegally
His accountant had been cooking the books for years.
cook somebody’s goose (informal)
to ruin someone’s chances of success