gatehouse
noun
- structure housing sluice gates, valves, or pumps for a dam
- building enclosing or accompanying a gateway
Wiktionary
name
- A surname.
noun
Etymology: From gate + house.
- 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.