n.
Pronunciation: ' yo ̇ n, ' yän
Function: verb
Etymology: Middle English yenen, yanen, from Old English ginian; akin to Old High German gin ē n to yawn, Latin hiare, Greek chainein
Date: before 12th century
intransitive verb
1 : to open wide : GAPE
2 : to open the mouth wide and take a deep breath usually as an involuntary reaction to fatigue or boredom
transitive verb
1 : to utter with a yawn
2 : to accomplish with or impel by yawns <his grandchildren yawn ed him to bed ― L. L. King>