From WordNet (r) 3.0 (2006):
vent
n 1: a hole for the escape of gas or air [syn: vent,
venthole, vent-hole, blowhole]
2: external opening of urinary or genital system of a lower
vertebrate
3: a fissure in the earth's crust (or in the surface of some
other planet) through which molten lava and gases erupt [syn:
vent, volcano]
4: a slit in a garment (as in the back seam of a jacket)
5: activity that frees or expresses creative energy or emotion;
"she had no other outlet for her feelings"; "he gave vent to
his anger" [syn: release, outlet, vent]
v 1: give expression or utterance to; "She vented her anger";
"The graduates gave vent to cheers" [syn: vent,
ventilate, give vent]
2: expose to cool or cold air so as to cool or freshen; "air the
old winter clothes"; "air out the smoke-filled rooms" [syn:
vent, ventilate, air out, air]