Web Results
yawn
[yawn]
VERB (USED WITHOUT OBJECT)
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.
VERB (USED WITH OBJECT)
4.
to say with a yawn.
5.
Archaic. to open wide, or lay open, as if by yawning.
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Source: Dictionary.com
yawn | Define yawn at Dictionary.com
dictionary.reference.com/browse/yawn
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en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the .... Gordon Gallup, who hypothesizes that yawning may be a means of keeping the brain cool, also hypothesizes that "contagious" yawning may be a ...

www.dictionary.com/browse/yawn

Yawn definition, to open the mouth somewhat involuntarily with a prolonged, deep inhalation and sighing or heavy exhalation, as from drowsiness or boredom .

www.dictionary.com/browse/yawning

Yawning definition, being or standing wide open; gaping: the yawning mouth of a cave. See more.

www.merriam-webster.com/dictionary/yawn

Define yawn: to open your mouth wide while taking in breath usually because you are tired or bored — yawn in a sentence.

www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674

Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research ... which means it tends to heat up more than other organ systems.

www.thefreedictionary.com/yawn

To open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom. 2. To open wide; gape: The chasm yawned at our feet ...

www.vocabulary.com/dictionary/yawn

The reflex that makes you open your mouth wide, inhale, and then exhale is called a yawn. Even seeing photos of other people's yawns (or reading the word  ...

www.urbandictionary.com/define.php?term=yawn

Married man: "Since we got married she has completed changed..she would not even let me talk anymore..besides from the times when i yawn, she keeps my ...