gate -
To open a closed ion channel. Alberts, Bruce; et al. "Figure 11-2 The gating of ion channels. " In: Molecular Biology of the Cell, ed. Senior, Sarah Gibbs. New York: Garland Science, 2002 cited 18 December 2009. Available from.
Wikipedia
A gate is a point of entry to a space enclosed by walls, or a moderately sized opening in a fence. Gates may prevent or control entry or exit, or they may be merely decorative. Other terms for gate include yett and port.
OmegaWiki Dictionary
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gate Total admission receipts at a sports event.
gate A computer circuit with several inputs but only one output that can be activated by particular combinations of inputs.
gate To supply with a gate.
gate A passageway (as in an air terminal) where passengers can embark or disembark.
gate To restrict (school boys') movement to the dormitory or campus as a means of punishment.
gate To control with a valve or other device that functions like a gate.
gate A moveable barrier that can be closed or open to control access to a building, a room, a car, an area, etc.