castle

/ˈkɑːsəl/
nounverb

A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles.

NWL Collins ENABLE

Noun 4 meanings

  1. A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles.

  2. An instance of castling.

  3. A rook; a chess piece shaped like a castle tower.

  4. A defense structure in shogi formed by defensive pieces surrounding the king.

Verb 4 meanings

  1. To house or keep in a castle.

  2. To protect or separate in a similar way.

  3. To move the king 2 squares right or left and, in the same turn, the nearest rook to the far side of the king. The move now has special rules: the king cannot be in, go through, or end in check; the squares between the king and rook must be vacant; and neither piece may have been moved before castling.

  4. To create a similar defensive position in Japanese chess through several moves.

Definitions: Wiktionary (CC BY-SA) via Kaikki/Wiktextract

Where it comes from

Etymology

From Middle English castle, castel, from late Old English castel, castell (“a town, village”), borrowed from Late Latin castellum (“small camp, fort”), diminutive of Latin castrum (“camp, fort, citadel, stronghold”). Doublet of cashel, castell, castellum, and château.

Similar and opposite words

Similar
fortresscastellateincastellate

CASTLE at a glance

CASTLE has 6 letters and scores 8 points in Scrabble (C 3 + A 1 + S 1 + T 1 + L 1 + E 1) and 10 in Words With Friends, before board bonuses. It ranks #3,216 by how often it appears in everyday English. It is valid in ENABLE, NWL2023, Collins/SOWPODS.

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