- 1the part around the neck of a shirt, jacket, or coat that usually folds down a coat with a fur collar I turned up my collar against the wind (= to keep warm). see also blue-collar, dog collar, white-collar, wing collar
- 2 a band of leather or strong cloth put around the neck of an animal, especially a dog a collar and leash see also choke collar
- 3(technology) a band made of a strong material that is put around something, such as a pipe or a piece of machinery, to make it stronger or to join two parts together Idioms
angry or embarrassed He got very hot under the collar when I asked him where he'd been all day.
hot under the collar (informal)jump to other results