head gate

/hɛd geɪt/

Other forms: head gates

Definitions of head gate

1. noun

   a gate upstream from a lock or canal that is used to control the flow of water at the upper end
   type of:

   gate

   a movable barrier in a fence or wall
2. noun

   regulator consisting of a valve or gate that controls the rate of water flow through a sluice
   synonyms: floodgate, penstock, sluice valve, sluicegate, water gate

   type of:

   regulator

   any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.