a hole for the escape of gas or air
external opening of urinary or genital system of a lower vertebrate
a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
a slit in a garment (as in the back seam of a jacket)
activity that frees or expresses creative energy or emotion; "she had no other outlet for her feelings"; "he gave vent to his anger"
give expression or utterance to; "She vented her anger"; "The graduates gave vent to cheers"
expose to cool or cold air so as to cool or freshen; "air the old winter clothes"; "air out the smoke-filled rooms"