Englishfor English speakers
castle
Noun
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A castle is a large, strong building used to protect the people inside.
In the Middle Ages, castles were used to protect the king and queen.
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In chess, the castle is another name for the rook.
castle
Verb
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In chess, to castle is to take a turn that involves both the rook and the king moving at once.
I was going to win if he hadn't decided to castle.
nut
Noun
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A nut is a kind of seed that usually grows on trees inside a hard shell and that people often eat.
Nuts are a good source of protein.
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A metal ring that is screwed onto a bolt (thick screw).
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A crazy person.