castle

noun1 of 2

a strong building used in the past to protect people in times of war

• “There's an old castle at the foot of the mountain.”Tatoeba
• “The castle has become a much-appreciated part of the community.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To protect or separate in a similar way.