Definitions for gatehouseˈgeɪtˌhaʊs; -ˌhaʊ zɪz
Random House Webster's College Dictionary
gate•houseˈgeɪtˌhaʊs; -ˌhaʊ zɪz(n.)(pl.)-hous•es
a house at a gate, used as a gatekeeper's quarters, fortification, etc.
Origin of gatehouse:
a house built at a gateway; usually the gatekeeper's residence
A lodge besides the entrance to an estate; often the residence of a gatekeeper; also a dwelling formerly used as such a residence.
A fortified room over the entrance to a castle or over the gate in a city wall
A shelter for a gatekeeper.
a house connected or associated with a gate