only 1 use
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Definition
a person who stands guard or looks out for something
- ...gourds filled with pebbles that rattled when they were shaken; the long clarin of the Mexicans, into which the performer does not blow, but through which he inhales the air; the harsh ture of the Amazon tribes, that is sounded by the sentinels who sit all day long in high trees, and can be heard, it is said, at a distance of three leagues; the teponaztli, that has two vibrating tongues of wood, and is beaten with sticks that are smeared with an elastic gum obtained from the...Chapter 11 (39% in)
There are no more uses of "sentinel" in The Picture of Dorian Gray - 20 chapter version.
Typical Usage
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