ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English gatehous, from gate + hous house
: a house or other building connected or associated with a gate: as
a. : a part of a gate (as of a city wall or palace) with rooms often formerly used for prisoners or guards
b. : an erection (as a power station) over a dam from which the gates are controlled