castling Meaning, Definition & Usage
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noun interchanging the positions of the king and a rook
castle.
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verb move the king two squares toward a rook and in the same move the rook to the square next past the king
castle.
WordNet
Cast"ling noun
Definitions
That which is cast or brought forth prematurely; an abortion. Sir T. Browne.
Cas"tling noun
Definitions
(Chess) A compound move of the king and castle. See Castle , v. i.