What is "oscitance"

n. drowsiness and dullness manifested by yawning [syn: oscitancy]

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, oscitancy]