vent

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"