head gate

1. A control gate upstream of a lock or canal.

2. A floodgate that controls the flow of water in a ditch, sluice, race, or channel.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

head gate

1. (Civil Engineering) a gate that is used to control the flow of water at the upper end of a lock or conduit. Compare tail gate

2. (Civil Engineering) another name for floodgate¹

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

head′ gate`

1. a control gate at the upstream end of a canal or lock.

2. a floodgate of a race, sluice, etc.

[1830–40, Amer.]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	head gate - regulator consisting of a valve or gate that controls the rate of water flow through a sluice penstock, sluice valve, sluicegate, water gate, floodgate regulator - any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. sluice, sluiceway, penstock - conduit that carries a rapid flow of water controlled by a sluicegate
	2.	head gate - a gate upstream from a lock or canal that is used to control the flow of water at the upper end gate - a movable barrier in a fence or wall

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References in periodicals archive

Garcia, "Influence of the tunnel length on the hydraulic modelling of the air entrainment in the flow downstream of a high head gate," in Proceedings of the Symposium on Scale Effects in Modelling Hydraulic Structures, Technische Akademie, Technische Akademie Esslingen, Esslingen, Germany, 1984.

Transient Air-Water Flow and Air Demand following an Opening Outlet Gate

One of the most successful solutions is to use a head gate (stanchion) to hold the ewe's head while her lamb nurses.

Using a stanchion to feed a rejected lamb

To reduce the length of pressurized reach, a long bottom outlet is normally divided into a pressurized portion controlled with a high head gate and an outlet tunnel that discharges a supercritical flow into the atmosphere [2].

PAIDEffect of sudden area expansion on formation of cross-waves in downstream of bottom outlet tunnel of dams

"Everything in the head gate works," Brian says, "and I added a section to bring the cattle to load through the head gate." The gates open, the palpation cages fold down and the head gate opens and closes.

Scratch builders skip generation gap: business partners find unique blend of talents is a good mix

In this role Anbeek will head Gate Gourmet's global sales and marketing function and will be based at the company's co-headquarters in Zurich, Switzerland.

Gate Gourmet appoints new chief commercial officer

Cows step onto an elevated platform, are milked, then exit through the front head gate. This type of parlor has one milking machine unit per stall, so when a cow has finished milking it is necessary to complete the milking process, have the cow exit, get the next cow into the stall, and attach the milking unit.

Chapter 19 Expansion examples

The utility planned to partially open the head gate at the upriver end of the canal this morning.

Water to flow after finish on canal improvements

A head gate was installed when a "V" was carved into a natural reef at Klamath Lake.

Troubled waters: farmers and fish in the Klamath Basin. (Currents)

Jimmy Mullen's midweek sacking had little effect on the Bucks Head gate, though, with a still pitifully-low 787 turning up.

Harriers horror show heralds Conway; NON-LEAGUE REVIEW

We gradually moved her out of the head gate into a wedge made by stock gates.

On writers, calves, and preventing loneliness