collar
noun /ˈkɒlə(r)/
/ˈkɑːlər/
Idioms 
enlarge imagethe part around the neck of a shirt, jacket or coat that usually folds down
enlarge image- a coat with a fur collar
- I turned up my collar against the wind (= to keep warm).
- He always wears a collar and tie for work.
Extra ExamplesTopics Clothes and Fashionb2- He wore a collar and tie for the occasion.
- His collar was undone.
- His tie was knotted below his open collar.
- She turned up her coat collar for extra warmth.
- The shirt had a button-down collar.
Oxford Collocations Dictionaryadjective- open
- undone
- button-down
- …
- have
- have on
- wear
- …
- button
- stud
- size
- …
- collar and tie
- a band of leather or plastic put around the neck of an animal, especially a dog
- a collar and lead/leash
- The dog slipped its collar and ran off.
Oxford Collocations Dictionaryadjective- dog
- flea
- choke
- …
- have on
- wear
- slip
- …
- (specialist) a band made of a strong material that is put round something, such as a pipe or a machine, to make it stronger or to join two parts together
Word OriginMiddle English: from Old French colier, from Latin collare ‘band for the neck, collar’, from collum ‘neck’.
Idioms
hot under the collar
- (informal) angry or embarrassed
- He got very hot under the collar when I asked him where he'd been all day.