yawn

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yawn

(yawn),
1. To gape.
2. An involuntary opening of the mouth, usually accompanied by inspiration; it may be a sign of drowsiness or of vital depression, as after hemorrhage, but is often caused by suggestion.
[A.S. gānian]

yawn

(yôn)
v. yawned, yawning, yawns
v.intr.
To open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom.
n.
The act of yawning.

yawn′er n.

yawn

[yôn]
Etymology: AS, geonian
an involuntary act of opening the mouth wide and taking a deep breath. It tends to occur when a person is bored, drowsy, or depressed and may be accompanied by upper body movements or the act of stretching to aid chest expansion.

yawn

The involuntary opening of mouth to inhale/exhale O2/CO2; thought to be a response to the slowed breathing typical of boredom, exhaustion or sedentary inactivity—which are characterised by increased CO2 and reduced O2 in the circulation—by opening the mouth wide and inhaling deeply, yawns quickly intake O2 and expel CO2 to bring the gases back to normal levels.

yawn

 The involuntary opening of mouth, often caused by suggestion–“contagious” and accompanied by breathing inward then outward; repeated yawning may indicate drowsiness, depression, or boredom

yawn

(yawn)
1. To gape.
2. An involuntary opening of the mouth, usually accompanied by a movement of respiration; it may be a sign of drowsiness or of vital depression, as after hemorrhage, but is often caused by suggestion.
[A.S. gānian]

yawn

(yawn)
1. To gape.
2. An involuntary opening of the mouth, usually accompanied by inspiration; it may be a sign of drowsiness or of vital depression, as after hemorrhage, but is often caused by suggestion.
[A.S. gānian]
References in periodicals archive ?
Tuesday's game - the first between UCLA and Sam Houston State - was a yawner.
Thought I could spend a weekend at the coast without watching an Oregon football game that promised to be a lopsided yawner anyway.
NEW YORK -- In the city that doesn't sleep, the Angels did just that Saturday with a yawner of a day against the New York Yankees.
Snacks'' might not be the most flattering of nicknames but it sure beats a yawner like ``Nap.
Our favourite wrinkly rocker saw the yawner in the exclusive American resort the Hampton's earlier this week.
This was supposed to be a yawner, an easy victory for Cal State Northridge with a pivotal game Saturday and tough road trip next week.
But, remember, this was a nonconference yawner in energy-sapping heat.
Di Caprio fails to set the screen alight and a host of famous faces - including John Malkovich, Gerard Depardieu, Jeremy Irons and Gabriel Byrne - can't seem to muster enough enthusiasm between them to make this anything but a good-looking yawner.
Yes, the Blazers injected some suspense into this yawner late in the third and early in the fourth quarters, but that was it.
This yawner is nothing more than a drawn-out shaggy dog story.
It seems like ages ago that we endured last year's election yawner, in which a ho-hum incumbent eked past a ho-hum challenger.
It didn't get better when the Kings came back Saturday and dropped a 3-2 yawner to the third-year Columbus Blue Jackets.