— yammerer , n. — yammeringly , adv.
/yam"euhr/ , Informal.
v.i.
1. to whine or complain.
2. to make an outcry or clamor.
3. to talk loudly and persistently.
v.t.
4. to utter clamorously, persistently, or in complaint: They yammered their complaints until she let them see the movie.
n.
5. the act or noise of yammering.
[ 1275-1325; ME yameren (v.) jam(m ) eren, r. ME yomeren, OE geomrian to complain, deriv. of geomor sad; akin to G Jammer lamentation ]