gatehouse

Noun

 * 1) A lodge besides the entrance to an estate; often the residence of a gatekeeper; also a dwelling formerly used as such a residence.
 * 2)  A fortified room over the entrance to a castle or over the gate in a city wall
 * 3) A shelter for a gatekeeper.

Translations

 * Danish: portbygning
 * Ingrian: vahtihoone
 * Russian: