mouth in Wingdings is ❍︎□︎◆︎⧫︎♒︎

An opening affording entrance or exit; orifice; aperture; as:(a) The opening of a vessel by which it is filled or emptied, chargedor discharged; as, the mouth of a jar or pitcher; the mouth of thelacteal vessels, etc.(b) The opening or entrance of any cavity, as a cave, pit, well, orden.(c) The opening of a piece of ordnance, through which it isdischarged.(d) The opening through which the waters of a river or any stream aredischarged.(e) The entrance into a harbor.