castle — Sightseeing in a City castle /ˈkɑːsl/ noun CEFR A1 A large old building with strong walls, built to protect people. “We visited a castle on the hill.” Related words in this scene ticketbridgeviewmaplandmarkcameratourguidemuseummonumentstatuetowersquaresouvenirphotopostcardcrowdvisitexplorewalkfamousbeautifulanciententrancegalleryfountainstreetguidebookbrochureviewpoint Practice this word Create worksheet