the opening through which an animal receives food; the aperture between the jaws or between the lips; also, the cavity, containing the tongue and teeth, between the lips and the pharynx; the buccal cavity.-an opening affording entrance or exit; orifice; aperture;-the opening of a vessel by which it is filled or emptied, charged or discharged; as, the mouth of a jar or pitcher; the mouth of the lacteal vessels, etc.-the opening or entrance of any cavity, as a cave, pit, well, or den.-the opening of a piece of ordnance, through which it is discharged.-the opening through which the waters of a river or any stream are discharged.-the entrance into a harbor.-the crosspiece of a bridle bit, which enters the mouth of an animal.-a principal speaker; one who utters the common opinion; a mouthpiece.-cry; voice.-speech; language; testimony.-a wry face; a grimace; a mow.-to take into the mouth; to seize or grind with the mouth or teeth; to chew; to devour.-to utter with a voice affectedly big or swelling; to speak in a strained or unnaturally sonorous manner.-to form or cleanse with the mouth; to lick, as a bear her cub.-to make mouths at.-to speak with a full, round, or loud, affected voice; to vociferate; to rant.-to put mouth to mouth; to kiss.-to make grimaces, esp. in ridicule or contempt.