sentinel

Definitions


[ˈsɛntɪnl], (Noun)

Definitions:
- a soldier or guard whose job is to stand and keep watch
(e.g: soldiers stood sentinel with their muskets)

- an indicator of the presence of disease
(e.g: a sentinel surveillance programme for influenza)


Phrases:

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


[ˈsɛntɪnl], (Verb)

Definitions:
- station a soldier or guard by (a place) to keep watch
(e.g: a wide course had been roped off and sentinelled with police)


Phrases:

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




definition by Oxford Dictionaries