A Quick and Simple Dictionary

collar

1. Noun.  The part of an upper garment (shirt, jacket...) that fits around the neck and throat, especially if sewn from a separate piece of fabric.
2. Noun.  A decorative band or other fabric around the neckline.
3. Noun.  A chain worn around the neck.
4. Noun.  A similar detachable item.
5. Noun.  Anything that encircles the neck.
6. Noun.  A band or chain around an animal's neck, used to restrain and/or identifie it.
7. Noun.  A part of harness designed to distribute the load around the shoulders of a draft animal.
8. Noun.  (context, technology) Any encircling device or structure.
9. Noun.  (context, in compounds) Of or pertaining to a certain category of professions as symbolized by typical clothing.
10. Verb.  (transitive) To grab or seize by the collar or neck.
11. Verb.  (transitive) To place a collar on, to fit with one.
12. Verb.  (transitive) To seize, capture or detain.
13. Verb.  (transitive) To preempt, control stringently and exclusively.
14. Verb.  (law enforcement, transitive) To arrest.
15. Verb.  (figuratively, transitive) To bind in conversation.