Noun

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

Verb

• S: (v) vent, ventilate, give vent (give expression or utterance to) "She vented her anger"; "The graduates gave vent to cheers"
• S: (v) vent, ventilate, air out, air (expose to cool or cold air so as to cool or freshen) "air the old winter clothes"; "air out the smoke-filled rooms"