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."