Pronunciation: (yam'ur), [key] Informal.
1. to whine or complain.
2. to make an outcry or clamor.
3. to talk loudly and persistently.
to utter clamorously, persistently, or in complaint: They yammered their complaints until she let them see the movie.
the act or noise of yammering.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.