Definitions for: Castling

[n] interchanging the positions of the king and a rook

Webster (1913) Definition: Cast"ling, n.
That which is cast or brought forth prematurely; an abortion.
--Sir T. Browne.

Cas"tling, n. (Chess)
A compound move of the king and castle. See Castle, v. i.

Synonyms: castle

See Also: chess move