ˈɛə ˈɛəɹ expose to cool or cold air so as to cool or freshen air the old winter clothes air out the smoke-filled rooms furnish with an opening to allow air to circulate or gas to escape The architect did not think about ventilating the storage space give expression or utterance to She vented her anger The graduates gave vent to cheers circulate through and freshen The gust of air ventilated the room expose to the circulation of fresh air so as to retard spoilage Wheat should be well ventilated