Gate  —n. 1 barrier, usu. Hinged, used to close an opening made for entrance and exit through a wall, fence, etc. 2 such an opening. 3 means of entrance or exit. 4 numbered place of access to aircraft at an airport. 5 device regulating the passage of water in a lock etc. 6 a number of people entering by payment at the gates of a sports ground etc. B amount of money taken thus. 7  a electrical signal that causes or controls the passage of other signals. B electrical circuit with an output that depends on the combination of several inputs. —v. (-ting) confine to college or school as a punishment.  gated adj. [old english]