- mouth
- n. [[t]maʊθ[/t]] v. [[t]maʊð[/t]]n. pl. mouths (moutz)1) anat.zool. anat. the opening through which an animal takes in food2) a person or animal dependent on someone for sustenance:another mouth to feed[/ex]3) anat. the oral opening or cavity considered as the source of vocal utterance4) utterance or expression:to give mouth to one's thoughts[/ex]5) talk, esp. loud, empty, or boastful talk6) disrespectful talk or language7) a grimace made with the lips8) an opening leading out of or into any cavity or hollow place or thing9) geo the outfall at the lower end of a river or stream, where flowing water is discharged, as into a larger body of water10) the opening between the jaws of a vise or the like11) mad the lateral hole of an organ pipe12) mad the lateral blowhole of a flute13) to utter in a sonorous or pompous manner, or with excessive mouth movements14) to form (a word, sound, etc.) silently or indistinctly in one's mouth15) to put or take into the mouth, as food16) to press, rub, or chew at with the mouth or lips17) to speak sonorously and oratorically, or with excessive mouth movement18) to grimace with the lips19) cvb sts mouth off, Slang.a) phv to talk back; sassb) phv to express one's opinions in a forceful or uninhibited manner•- down inEtymology: bef. 900; ME; OE mūth; c. OFris, OSmūth, mund, OHGmunt, ON munnr, mūthr, Gomunths mouth′er, n.
From formal English to slang. 2014.