IPA: /kæˈstɛlən/
KK: /kæˈstɛlən/
A person who is in charge of a castle, responsible for its management and defense.
The castellan ensured that the castle was well-protected and maintained.
Castellan → It is formed from "castellum" (meaning castle) and the suffix "-an" (indicating belonging to or relating to). A castellan is someone who is associated with or in charge of a castle.
Think of a person who is 'related to' ('-an') a 'castle' ('castellum') — that's why a castellan is someone who manages a castle.