cook ‧ er S3 /ˈkʊkə $ -ər/ BrE AmE noun [countable] British English
[ Word Family: noun : ↑ cook , ↑ cooker , ↑ cookery , ↑ cooking ; adjective : cooked ≠ ↑ uncooked , overcooked ≠ UNDERCOOKED , ↑ cooking ; verb : ↑ cook , ↑ overcook ≠ UNDERCOOK ]
1 . a large piece of equipment for cooking food on or in SYN stove American English :
a gas cooker
2 . a fruit, especially an apple, that is suitable for cooking but not for eating raw