ROOK Meaning of ROOK in English I . n. 1.Castle ( in chess ).2.Cheat, trickish fellow. II . v. n. 1.Cheat, defraud, rob, ruck, cower.2.Squat, sit close. III . v. a. Cheat, defraud by cheating, castle at chess. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012