sentinel

- See Also:
- - sent
  - sente
  - sentence
  - sentence adverb
  - sentential
  - sententious
  - sentient
  - sentiment
  - sentimental
  - sentimental value
  - sentinel
  - sentry
  - sentry box
  - sentry-go
  - sepal
  - separable
  - separate
  - separate school
  - separation
  - separatism
  - Sephardi
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Concise Oxford English Dictionary © 2008 Oxford University Press:
sentinel /ˈsɛntɪn(ə)l/

▶noun

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

2 Medicine a thing that acts as an indicator of the presence of disease.

▶verb (sentinels, sentinelling, sentinelled; US sentinels, sentineling, sentineled) station a sentinel to keep watch over (a place).

– origin C16: from Fr. sentinelle, from Ital. sentinella, of unknown origin.

'sentinel' also found in these Oxford entries:

sentry - warder

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sentinel