|1.||[ verb ] utter a yawn, as from lack of oxygen or when one is tired|
"The child yawned during the long performance"
|2.||[ noun ] (biology,medicine) an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom|
|Synonyms:||oscitancy yawning oscitance|
"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|
|3.||[ noun ] Last name, frequency rank in the U.S. is 13368|
|4.||[ verb ] be wide open|
"the deep gaping canyon"