Yawn
Emergence definition
An involuntary physical response characterized by the sudden opening of the mouth and deep inhalation of air.
Wiktionary senses
Historical origin
Prerequisite chain
Neighborhood
In other languages
- yawn English primary
Prerequisites
-
Involuntary opening of the mouth with deep inhalation -- prerequisite: sleep
-
Involuntary opening of the mouth with deep inhalation -- prerequisite: breath