from The American Heritage® Dictionary of the English Language, 4th Edition
- n.pl. The jaws.
- n.pl. The mouth.
- n.pl. The lower cheeks or jowls.
- n.pl. Muttonchops.
- n.pl. Slang The technical skill with which a jazz or rock musician performs.
- idiom bust (someone's) chops To scold or insult someone.
- idiom bust (someone's) chops To disappoint or defeat someone.
- idiom bust (someone's) chops To hold a building contractor to the letter of an agreement.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of chop.
- n. The mouth, jaws or jowl.
- n. A wind instrument player's embouchure.
- n. One's skill at musical interpretation and delivery; musical performance ability.
- n. One's skill at any endeavor.
- n. The area where two tides meet and cause an irregular (choppy) sea.
- n. A pattern that involves carrying the object with the hand over the next object before throwing it.
- v. Third-person singular simple present indicative form of chop.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. The jaws; also, the fleshy parts about the mouth.
- n.pl. The sides or capes at the mouth of a river, channel, harbor, or bay.
Possibly akin to chop1.(American Heritage® Dictionary of the English Language, Fourth Edition)