I. ˈyamə(r) verb
( yammered ; yammered ; yammering -m(ə)riŋ ; yammers )
Etymology: alteration (influenced by German jammern ) of Middle English yomeren to murmur, complain, be sad, from Old English gēomrian; akin to Old High German jāmarōn to complain, be sad, jāmar distress, misery — more at katzenjammer
intransitive verb
1.
a. : to utter repeated cries of distress or sorrow : wail , whimper
a child that kept yammering till its mother came
b. : to utter persistent complaints : whine , grumble , scold
yammered at an umpire loudly enough to get himself tossed out of a game — Time
2. : to talk persistently or volubly and often loudly
yammering and gesticulating to each other about their … adventures — Frederick Mears
caused the purists to yammer for censorship — D.W.Maurer
yammers away about the brotherhood of man — P.B.Kyne
3. : to make a loud repetitive noise
heard the diesels yammering monotonously belowdecks
transitive verb
: to utter complainingly, insistently, or volubly
II. noun
( -s )
: a yammering utterance or noise
set up a petulant yammer
the yammer of a machine gun