Home › Words › C › castletcastlet/ˈkæslət/castlet means A small castle.castlet is pronounced /ˈkæslət/.EtymologyFrom Middle English castelet, from Old French castelet, northern form of chastelet. Equivalent to castle + -et. Compare French châtelet, Italian castelletto.nounA small castle.e.g.“And an halfe Mile lower it leaveth Fulbroke Parke and Castlet on the right” — a. 1559, John Leland, Itineraries:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.castlette 92% match — A small castle. vs castlet →castellar 75% match — Somewhat like a castle. vs castlet →castellate 73% match — castle-like: built or shaped like a castle. vs castlet →castlelike 72% match — Resembling a castle vs castlet →castle 71% match — A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles. vs castlet →castellum 71% match — A small Roman detached fort or fortlet used as a watch tower or signal station. vs castlet →castled 70% match — Furnished with castles. vs castlet →chatelet 69% match — A little castle. vs castlet →