collar

1. (noun) Anything that encircles the neck. 2. (noun) A piece of meat from the neck of an animal. 3. (noun) Any encircling device or structure. 4. (noun) (in compounds) Of or pertaining to a certain category of professions as symbolized by typical clothing. 5. (noun) The neck or line of junction between the root of a plant and its stem. 6. (noun) A ringlike part of a mollusk in connection with the esophagus. 7. (noun) An eye formed in the bight or bend of a shroud or stay to go over the masthead; also, a rope to which certain parts of rigging, as dead-eyes, are secured. 8. (noun) An arrest. 9. (noun) A trading strategy using options such that there is both an upper limit on profit and a lower limit on loss, constructed through taking equal but opposite positions in a put and a call with different strike prices. 10. (verb) To grab or seize by the collar or neck. 11. (verb) To place a collar on, to fit with one. 12. (verb) To seize, capture or detain. 13. (verb) To preempt, control stringently and exclusively. 14. (verb) (law enforcement) To arrest. 15. (verb) To bind in conversation. 16. (verb) To roll up (beef or other meat) and bind it with string preparatory to cooking. 17. (verb) (BDSM) To bind (a submissive) to a dominant under specific conditions or obligations.