Home › Words › C › castlercastlercastler means A chess problem whose solution involves castling.EtymologyFrom castle + -er (patient suffix) or + -er (agent noun suffix). Piecewise doublet of casteller.nounA chess problem whose solution involves castling.A player who castles.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.castling 64% match — An abortion, or a premature birth. vs castler →castlette 63% match — A small castle. vs castler →castlet 63% match — A small castle. vs castler →ratcastle 57% match — a prison. vs castler →chessic 57% match — Of or relating to chess. vs castler →castellar 56% match — Somewhat like a castle. vs castler →directmate 56% match — A kind of chess problem in which White, moving first, must checkmate Black within a specified number of moves against any defence. vs castler →castled 56% match — Furnished with castles. vs castler →