,| 1. | to open the mouth somewhat involuntarily with a prolonged, deep inhalation and sighing or heavy exhalation, as from drowsiness or boredom. |
| 2. | to open wide like a mouth. |
| 3. | to extend or stretch wide, as an open and deep space. |
| 4. | to say with a yawn. |
| 5. | Archaic. to open wide, or lay open, as if by yawning. |
| 6. | an act or instance of yawning. |
| 7. | an opening; open space; chasm. |
| 8. | Also, yawner. Informal. something so boring as to make one yawn: Critics say the new fashions are one big yawn. |
yawn (yôn)
v. yawned, yawn·ing, yawns
To open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom. n.
The act of yawning.