Definition:-

• The part around the neck of a shirt, blouse, jacket or coat, either upright or turned over. (noun)
• A connecting band or pipe in machinery. (noun)
• A piece of meat rolled up and tied. (noun)
• The part of a plant where the stem joins the roots. (noun)
• Put a collar on (an animal) (verb)
• Seize or apprehend (someone) (verb)