(v. i.) To open the mouth involuntarily through drowsiness,
dullness, or fatigue; to gape; to oscitate.
(v. i.) To open wide; to gape, as if to allow the entrance or exit
of anything.
(v. i.) To open the mouth, or to gape, through surprise or
bewilderment.
(v. i.) To be eager; to desire to swallow anything; to express
desire by yawning; as, to yawn for fat livings.
(n.) An involuntary act, excited by drowsiness, etc., consisting
of a deep and long inspiration following several successive attempts at
inspiration, the mouth, fauces, etc., being wide open.
(n.) The act of opening wide, or of gaping.
(n.) A chasm, mouth, or passageway.
