Oxford Advanced American Dictionary

Definition of kitchen noun from the Oxford Advanced Learner's Dictionary

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kitchen

noun
kitchen pronunciation English ˈkɪtʃɪn kitchen pronunciation American ˈkɪtʃɪn
 
a room in which meals are cooked or prepared
She's in the kitchen.We ate at the kitchen table. see also soup kitchen
Idioms

everything but the kitchen sink

(informal, humorous) a very large number of things, probably more than is necessaryWe seem to take everything but the kitchen sink when we go camping.
 more at if you can't stand the heat (get out of the kitchen) at heat noun