cook meaning
EN
[kʊk] [kuk] [-ʊk] 
US UK WCook
- Cook may refer to:
- The action of cooking, the preparation of food with heat for consumption
- Chef, a professional proficient in all aspects of food preparation
- Cook (profession), a professional who prepares food for consumption
- Cook (domestic worker), a domestic worker who cooks food for his or her employer
- Cook (surname), a family name (and a list of people with that name)
EN Cook 
- NounPLcooks
- VerbSGcooksPRcookingPT, PPcooked
- (transitive) To prepare (food) for eating by heating it, often by combining it with other ingredients.
- I'm cooking bangers and mash.
- (intransitive) To prepare (unspecified) food for eating by heating it, often by combining it with other ingredients.
- He's in the kitchen, cooking.
- (intransitive) To be being cooked.
- The dinner is cooking on the stove.
- (intransitive, figuratively) To be uncomfortably hot.
- Look at that poor dog shut up in that car on a day like today - it must be cooking in there.
- (transitive, slang) To hold onto (a grenade) briefly after igniting the fuse, so that it explodes almost immediately after being thrown.
- I always cook my frags, in case they try to grab one and throw it back.
- To concoct or prepare.
- To tamper with or alter; to cook up.
- (intransitive, idiomatic, jazz, slang) To play or improvise in an inspired and rhythmically exciting way. (From 1930s jive talk.).
- Watch this band: they cook!
- Crank up the Coltrane and start cooking!
- (intransitive, idiomatic, music, slang) To play music vigorously.
- On the Wagner piece, the orchestra was cooking!
- (obsolete, rare) To make the noise of the cuckoo.
- (Britain, dialect, obsolete) To throw.
- (transitive) To prepare (food) for eating by heating it, often by combining it with other ingredients.
- More Examples
- Used in the Middle of Sentence
- Slowly cooking the onions will caramelize them, which brings out the sweetness and gives them a brown color.
- Mount McKinley was known to Russians as Bulshaia and to the natives of Cook Inlet as Traleyka. Both names signify 'high' or 'big mountain.' The natives of the interior know it as Denali.
- I stand by my original post any woman who's fool enough to buy into staying home cleaning, cooking and caring for kidddies[sic] while the bedicked one escapes to his job is crazy !!!
- Used in the Beginning of Sentence
- Cooking philosophy: Buy the best you can find or afford and don’t overmanipulate it.
- Used in the Ending of Sentence
- All Bill caught were two smallish sunperch, barely worth the effort to clean and cook.
- Used in the Middle of Sentence
Definition of cook in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Ergative verbs
- Intransitive verbs
- Transitive verbs
- Ergative verbs
- Nouns
Source: Wiktionary
Grammatically, this word "cook" is a noun, more specifically, a countable noun. It's also a verb, more specifically, an ergative verb, an intransitive verb and a transitive verb.