Yawn - Definition

n 1: an involuntary intake of breath through a wide open mouth;
usually triggered by fatigue or boredom; "he could not
suppress a yawn"; "the yawning in the audience told him it
was time to stop"; "he apologized for his oscitancy" [syn:
yawn, yawning, oscitance, oscitancy]
v 1: utter a yawn, as from lack of oxygen or when one is tired;
"The child yawned during the long performance"
2: be wide open; "the deep gaping canyon" [syn: gape, yawn,
yaw]