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1. a mountain pass or gap, esp one providing entry into another country or region
2. (in a large airport) any of the numbered exits leading to the airfield or aircraft
3. Horse racing short for starting gate
4. Electronics
a. a logic circuit having one or more input terminals and one output terminal, the output being switched between two voltage levels determined by the combination of input signals
b. a circuit used in radar that allows only a fraction of the input signal to pass
5. the electrode region or regions in a field-effect transistor that is biased to control the conductivity of the channel between the source and drain
6. a component in a motion-picture camera or projector that holds each frame flat and momentarily stationary behind the lens
7. a slotted metal frame that controls the positions of the gear lever in a motor vehicle
8. Rowing a hinged clasp to prevent the oar from jumping out of a rowlock
9. a frame surrounding the blade or blades of a saw


2 Dialect
1. the channels by which molten metal is poured into a mould
2. the metal that solidifies in such channels


A passageway in a fence, wall, or other barrier which slides, lowers, or swings shut, and is sometime of open construction.


In Indian architecture, a monumental gateway tower to a Hindu temple, usually highly decorative.

moon gate

A circular opening in a wall, in traditional Chinese architecture.


A monumental Chinese arch or gateway with one, three or five openings, erected at the entrance to a palace, tomb, or processional way; they are usually built of stone in imitation of earlier wood construction.


An elaborately carved ceremonial gateway in Indian, Buddhist and Hindu architecture, with two or three lintels between two posts.


A monumental, freestanding gateway to a Shinto shrine, consisting of two pillars with a straight cross piece at the top and a lintel above it, usually curving upward.



a projection on a casting; a piece of metal that has hardened in the gating. After being separated from castings, gates are used in the burden in smelting metal.



(Russian, shiber), a closing device in the form of a slide or damper, used to open or close a channel for the flow of liquids or gases. Gates include draft-regulating dampers in the flues of industrial furnaces and boiler installations as well as sluice gates designed to shut off water-intake channels from a river or to close connections between channels. The working member of a slidingvane pump is also a type of gate. Small gates are operated manually; large gates are operated by toothed racks, worm drives, and the like.

What does it mean when you dream about a gate?

Gates represent entrances to a new place or new circumstances in life. They also symbolize the “exit” from old, unwanted conditions. (See also Door.)


(civil engineering)
A movable barrier across an opening in a large barrier, a fence, or a wall.
A circuit having an output and a multiplicity of inputs and so designed that the output is energized only when a certain combination of pulses is present at the inputs.
A circuit in which one signal, generally a square wave, serves to switch another signal on and off.
One of the electrodes in a field-effect transistor.
An output element of a cryotron.
To control the passage of a pulse or signal.
In radar, an electric waveform which is applied to the control point of a circuit to alter the mode of operation of the circuit at the time when the waveform is applied. Also known as gating waveform.
A device, such as a valve or door, for controlling the passage of materials through a pipe, channel, or other passageway.
A device for positioning the film in a camera, printer, or projector.
(graphic arts)
The area or component in which the film is held at a fixed relationship to a lens.
The opening in a casting mold through which molten metal enters the cavity. Also known as in-gate.
The position on the extension of the axis of a runway in use above which an aircraft heading toward that runway is required to pass at a time assigned by proper control authority.
A movable barrier of shielding material used for closing a hole in a nuclear reactor.
A metal part in the rear of the cylinder of old-pattern revolvers that was turned out to expose the cylinder for loading.


A passageway through a fence, wall, or other barrier, which slides, lowers, or swings open or shut.


gateclick for a larger image
i. The point where passengers board the airplane at the airport
ii. The point at which a commercial flight starts.
iii. A removable lock to limit the maximum travel of the throttle under normal conditions.
iv. The position on an extended runway centerline where inbound aircraft are required to pass at a time assigned by approach control.
v. The range of the fuel-air ratio through which combustion can be started. This normally ranges from 1:18 to 1:8. See also fuel-air mixture.
vi. In air interception terminology, it means to fly at a maximum speed for a limited period.


GAT Extended? Based on IT.

[Sammet 1969, p. 139].


A low-level digital logic component. Gates perform Boolean functions (e.g. AND, NOT), store bits of data (e.g. a flip-flop), and connect and disconnect various parts of the overall circuit to control the flow of data (tri-state buffer).

In a CPU, the term applies particularly to the buffers that route data between the various functional units. Each gate allows data to flow from one unit to another or enables data from one output onto a certain bus.


(1) An open/closed switch.

(2) A pattern of transistors that makes up an AND, OR or NOT Boolean logic gate. See gate array.

(3) In a field effect transistor (FET), the element that acts as a trigger to cause the transistor to switch. In a bipolar transistor, the gate is called the "base." See transistor, FET and MOSFET.

The Gate in an NMOS Transistor
The gate is the trigger line. When pulsed, an electromagnetic field causes the switch to close.
References in periodicals archive ?
They were quickly joined by ten other officers but in the confusion, the rooftop gate-crasher escaped.
It was left to former football hero Ian Wright to dash to the rescue and kick the gate-crasher into touch.
Gate-crasher Leanne Redmond, 23, strode into the reception and punched Alison Lowe on the nose.
If I was a gate-crasher," he replies, his voice dripping with contempt, "I hope I'd be somewhere else.
Cohen produces the first national Tony telecast for ABC, during which Barbara Harris, the best musical actress winner (``The Apple Tree''), is visibly shaken when a professional gate-crasher, Stan Berman, takes to the stage and plants a kiss on her cheek.
A party gate-crasher stabbed a man to death in a frenzied knife attack.
Leicester, on the back of Jamie Vardy's record scoring streak, are this season's gate-crashers and while no-one expects Claudio Ranieri's side to still be hanging around at the business end of the season, they appear capable of ruffling a few more feathers.
But the fun-loving 39-year-old who runs a web development company in the Bulgarian capital, Sofia, promised his gate-crashers they could expect the "party of a lifetime in the party capital of the world" on March 16, with more fun the next day.
They were always packed with gate-crashers from other institutions as he was an excellent speaker.
His lectures at the LSE were always packed with gate-crashers from other academic institutions.
Clough (right) is conscious that too many gate-crashers have spoiled his party and groaned: "It was the same old story - we played well and conceded poor goals.