1 drowsiness and dullness manifested by yawning
[syn:
oscitance]
2 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 ostinancy" [syn:
yawn,
yawning,
oscitance]