Meaning of the word sentinel in English

What does sentinel mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sentinel

US /ˈsen.t̬ɪ.nəl/
UK /ˈsen.t̬ɪ.nəl/

Noun

1.

a soldier or guard whose job is to stand and keep watch.

Verb

1.

station a soldier or guard by (a place) to keep watch.

Example:
a wide course had been roped off and sentineled with police
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