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

(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.

plural of vent-piece

A small circular piece of puff pastry with a hole for various fillings, such as mushrooms, prawns, fruit, cheese, etc.

To openly express pent-up anger, often on an unrelated matter or person.

(plumbing) a mechanical sewer vent that allows air to enter into the sewage system but does not allow exhaust of sewer gases, to aid the flow of sewage by providing air behind water, where a standard vent stack to atmosphere is not possible, by drawing in interior air but keeping harmful sewer gases contained.

To openly express anger or frustration.