B1 the part around the neck of a piece of clothing, usually sewn on and sometimes made of different material:
a shirt collar
a fur collar
B2 a strap made of leather or other strong material that is put around the neck of an animal, especially a dog or cat:
› specialized biology an area around the neck of an animal that is coloured differently from the other parts of the body:
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Capturing or taking possession of things
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