Look up: yawn

1. 
   yawn
   [n] - an involuntary intake of breath through a wide open mouth 2. [v] - utter a yawn
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. 
   Yawn
   Yawn: Involuntary opening of the mouth, often caused by suggestion. Yawning is characterized by breathing first inward, then outward. Repeated yawning is often a sign of drowsiness. It may also sometimes be a sign of depression.
   Found on http://www.medterms.com/script/main/art.
   
   
3. 
   Yawn
   Yawn (yan) intransitive verb [ imperfect & past participle Yawned ; present participle & verbal noun Yawning .] [ Middle English yanien , ʒanien , ganien , gonien , Anglo-Saxon gānian ; akin to ginian to yawn, gīnan to yawn, open wide, German gähnen to ya ...
   Found on http://www.encyclo.co.uk/webster/Y/2
   
   
4. 
   Yawn
   Yawn noun 1. An involuntary act, excited by drowsiness, etc., consisting of a deep and long inspiration following several successive attempts at inspiration, the mouth, fauces, etc., being wide open. « One person yawning in company will produce a spontaneous yawn in all present.» N. Chipman. 2. The act of opening wide, or of gaping. Addison. 3 ...
   Found on http://www.encyclo.co.uk/webster/Y/2
   
   
5. 
   yawn
   1. To open the mouth involuntarily through drowsiness, dullness, or fatigue; to gape; to oscitate. 'The lazy, yawning drone.' 'And while above he spends his breath, The yawning audience nod beneath.' (Trumbull) ... 2. To open wide; to gape, as if to allow the entrance or exit of anything. ''t is now the very witching time of night, When churchyards ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. 
   yawn
   yawning noun an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; `he could not suppress a yawn`; `the yawning in the audience told him it was time to stop`; `he apologized for his oscitancy`
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
7. 
   Yawn
   A `yawn` (synonyms `chasma`, `pandiculation`, `oscitation` from the Latin verb `oscitare`, to open the mouth wide A. Price Heusner. YAWNING AND ASSOCIATED PHENOMENA. `Physiological Review` 1946: `25`; 156-168. ) is a reflex of deep inhalation and exhalation associated with tiredness, stress, over-work, lack of stimulation, or boredom. `Pandiculation` is the term for the act of stretching and yawning. Yawning is a powerful non-verbal message wit...
   Found on http://en.wikipedia.org/wiki/Yawn
   
   
8. 
   Yawn
   • (v. i.) To open the mouth involuntarily through drowsiness, dullness, or fatigue; to gape; to oscitate. • (n.) A chasm, mouth, or passageway. • (v. i.) To open the mouth, or to gape, through surprise or bewilderment. • (n.) The act of opening wide, or of gaping. • (v. i.) To be eager; to desire to swallow anything; to exp...
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. 
   yawn
   yawn Often an honest opinion openly expressed. Dictionary sources of information: Dictionaries and Lexicons, Part One; Dictionaries and Lexicons, Part Two.
   Found on http://www.wordinfo.info/words/index/inf
   
   
10. 
    yawn
    yawn, yawning, yawned 1. An involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom. 2. Utter a yawn; as from a lack of oxygen or when tired or bored. 3. To open the mouth wide with a deep inhalation, usually involuntarily because of drowsiness, fatigue, or boredom. 4. To open wide; to gape: 'The chasm yawned at our feet.' 5. ...
    Found on http://www.wordinfo.info/words/index/inf
    
    
11. 
    yawn
    open the mouth in an expression of sleepiness
    Found on http://www.eslgold.com/acad_vocab_defini