Subscriber login


Forgot your password?

Library card login

Other

sentinel

Syllabification: (sen·ti·nel)
Pronunciation: /ˈsentn-əl/
Translate sentinel | into Italian
Definition of sentinel

noun

  • a soldier or guard whose job is to stand and keep watch.
  • Medicine a thing that acts as an indicator of the presence of disease: [as modifier]:the first national HIV sentinel surveillance program in the developing world

verb (sentinels, sentineling, sentineled ; chiefly Britishsentinels, sentinelling, sentinelled)

[with object]
  • station a soldier or guard by (a place) to keep watch:a wide course had been roped off and sentineled with police figurativetrees sentineled the trenches

Phrases

stand sentinel

(of a soldier) keep watch:soldiers stood sentinel with their muskets figurativea tall round tower standing sentinel over the river

Origin:

late 16th century: from French sentinelle, from Italian sentinella, of unknown origin

sentinel in other Oxford dictionaries

Definition of sentinel in the British & World English dictionary
  |  Cite
Oxford Dictionaries Pro

For Oxford's best resources for writers, plus thesaurus, audio, and 1.9m examples.

Shop for an Oxford dictionary

Find the perfect Oxford dictionary for you in our online shop.
SHOP NOW ►

Word of the day

logomachy

/ lōˈgäməkē /
noun
an argument about words …