the part around the neck of a shirt, blouse, jacket or coat, either upright or turned over

a shirt collar

we turned our collars up against the chill

a connecting band or pipe in machinery

a piece of meat rolled up and tied

the part of a plant where the stem joins the roots

put a collar on (an animal)

the animal had been captured, collared, and released by federal researchers

seize or apprehend (someone)

police collared the culprit