Finding
yawn Audio
yawn [ yawn ]
Subclass of:
Respiratory physiology
Definitions related to yawning:
  • An involuntary deep INHALATION with the MOUTH open, often accompanied by the act of stretching.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.