Definition of “sentinel” - English Dictionary

british dictionary

“sentinel” in British English

See all translations

sentinelnoun [ C ]

uk /ˈsen.tɪ.nəl/ us /ˈsen.t̬ɪ.nəl/

literary a person employed to guard something:

A policeman stood sentinel at the entrance.

mainly US Sentinel is also used in the names of some newspapers:

the Fort Lauderdale Sun-Sentinel

(Definition of “sentinel” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)