vent in WordNet English dictionary

1. expose to cool or cold air so as to cool or freshen
   "air the old winter clothes"; "air out the smoke-filled rooms"
   vent  ventilate  air out  air 
   
2. give expression or utterance to
   "She vented her anger"; "The graduates gave vent to cheers"
   vent  ventilate  give vent 
   

1. a hole for the escape of gas or air
   vent  venthole  vent-hole  blowhole 
   
2. activity that frees or expresses creative energy or emotion
   "she had no other outlet for her feelings"; "he gave vent to his anger"
   release  outlet  vent 
   
3. external opening of urinary or genital system of a lower vertebrate
   vent 
   
4. a slit in a garment (as in the back seam of a jacket)
   vent 
   
5. a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
   vent  volcano