oscitancy
1. [ noun ] drowsiness and dullness manifested by yawning
Synonyms: oscitance
Related terms: sleepiness dullness
2. [ noun ] (biology,medicine) an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
Synonyms: yawn yawning oscitance
Examples:

"he could not suppress a yawn" "the yawning in the audience told him it was time to stop" "he apologized for his ostinancy"

Related terms: reflex inhalation pandiculation yawn
Similar spelling:   oscitance
  oscitant
  Occitan