vent

(noun) a hole for the escape of gas or air. Synonyms: venthole, vent-hole, blowhole.

(noun) external opening of urinary or genital system of a lower vertebrate.

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

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

(noun) activity that frees or expresses creative energy or emotion. Synonyms: release, outlet. Examples: "She had no other outlet for her feelings." "He gave vent to his anger."

(verb) give expression or utterance to. Synonyms: ventilate, give vent. Examples: "She vented her anger." "The graduates gave vent to cheers."

(verb) expose to cool or cold air so as to cool or freshen. Synonyms: ventilate, air out, air. Examples: "Air the old winter clothes." "Air out the smoke-filled rooms."