Definition of "Vent" :

noun: activity that frees or expresses creative energy or emotion

"He gave vent to his anger."

noun: external opening of urinary or genital system of a lower vertebrate

noun: a hole for the escape of gas or air

noun: a slit in a garment (as in the back seam of a jacket)

noun: a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt

verb: expose to cool or cold air so as to cool or freshen

verb: give expression or utterance to

"She vented her anger."