A principal speaker; one who utters the common opinion; a
mouthpiece.

Cry; voice.

The opening of a piece of ordnance, through which it is
discharged.

The crosspiece of a bridle bit, which enters the mouth of an
animal.

The opening through which the waters of a river or any
stream are discharged.

The opening or entrance of any cavity, as a cave, pit, well,
or den.

An opening affording entrance or exit; orifice; aperture;

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.

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 entrance into a harbor.