Meaning of “warden” - Learner’s Dictionary

warden

noun [ C ] uk us /ˈwɔːdən/
PRISON US (UK governor)

someone who is responsible for controlling a prison

BUILDING

someone who is responsible for looking after a particular place or the people in it

→ See also traffic warden

(Definition of “warden” from the Cambridge Learner’s Dictionary © Cambridge University Press)