oscitance

from WordNet (r) 3.0 (2006)
oscitance
    n 1: drowsiness and dullness manifested by yawning [syn:
         {oscitancy}, {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 oscitancy" [syn:
       {yawn}, {yawning}, {oscitance}, {oscitancy}]
    

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