a type of radial arm floodgate used in dams and canal locks to control water flow.

The process by which the brain adjusts its response to stimuli.

the amount of money made by selling tickets to a concert or a sports event

A physical device, typically electronic, which computes a Boolean logical output (0 or 1) from Boolean input or inputs according to the rules of some logical operator.

A decommissioned aircraft, artillery piece, or tank, displayed near the entrance to an airport or military base.

Alternative form of gate guard

plural of gate guard

A churchyard gateway with a roof, under which a corpse was laid during a funeral to await the arrival of the clergyman.

(very rare) Alternative form of gatecrash

A structure located at an entrance to a large property, especially a dwelling.