1.Definition: 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"

Related Noun(s):oscitance, yawn

Category: General

2.Definition: drowsiness and dullness manifested by yawning

Related Noun(s):oscitance

Category: General