1. (

• oscitancy ,
• oscitance

) drowsiness and dullness manifested by yawning ;

2. (

• yawn ,
• yawning ,
• oscitance ,
• 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 oscitancy" ;