castling

plural castlings

1. obsoleteAn abortion, or a premature birth.

   1646: Wherein notwithstanding, we should rather rely upon the urine in a castling’s bladder — Sir Thomas Browne, Pseudodoxia Epidemica, Book II, ch 5

2. obsoleteThe second or third swarm of bees which leaves a hive in a season.
3. A miniature cast or mould.

   From the Celeste's own image was the first castling molded. A soft, delicate creature of flesh and blood she would call Woman. So that Her castlings may never feel the loneliness she Herself did suffer, she bestowed woman with a mate [...]

   2009, Danielle Devon, Divinity in Chains - Page 6

4. One that is cast.

   […] ſhift for themselves, and ſeek out new habitations; ſuch caſtlings might in their waudring throughout the South Sea (moſt of the Oriental Iſlands being formerly inhabited by their Off-ſpring) fall with the coaſt of Peru, […]

   1678, Claude Saumaise, Funus linguae hellenisticae, pages 121–122

plural castlings

1. uncountableusuallyboard gamesA move in which the king moves two squares towards a rook, and the rook moves to the other side of the king; the action of the verb to castle.

   Castling is prevented temporarily: […] If there is any piece between the king and the rook with which castling is to be effected.

   2022, “2023 Laws of Chess”, in FIDE, pages 7, 8

2. uncountableusuallyboard gamesThe act of constructing a defense structure in Japanese chess in which the king (玉) is positioned in a certain way so that it is protected by pawns (歩) and silver general(s) (銀) and/or gold general(s) (金) often with an additional knight (桂) and lance (香車).

1. gerundparticiplepresentpresent participle and gerund of castle

1. A surname.