A vertical pipe that provides ventilation to a building's drainage system

(construction) A ventilator located at the ridge that allows the escape of warm and/or moist air from the attic area or rafter cavity.

plural of ridge vent

plural of abat-vent

An abnormal behaviour of birds, primarily commercial egg-laying hens, characterised by pecking damage to the cloaca, the surrounding skin and underlying tissue.

(volcanology, geology) A volcanic vent from which lava flows, with minimal explosive activity; characteristic of shield volcanoes.

To utter; to produce (a sound). / To express (an emotion, opinion, etc.).

plural of vent stack

plural of hydrothermal vent

(firearms) In a breechloading firearm, a vertical sliding block with a conical plug on its front surface to seal the firing chamber and close the breech.