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    sentinel
    /ˈsɛntɪnl/

    noun

    • 1. a soldier or guard whose job is to stand and keep watch: "soldiers stood sentinel with their muskets"
    • 2. an indicator of the presence of disease: "a sentinel surveillance programme for influenza"

    verb

    • 1. station a soldier or guard by (a place) to keep watch: "a wide course had been roped off and sentinelled with police"

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

  2. dictionary.cambridge.org › dictionary › englishSENTINEL | English meaning - Cambridge Dictionary

    SENTINEL definition: 1. a person employed to guard something: 2. Sentinel is also used in the names of some newspapers…. Learn more.

  3. www.merriam-webster.com › dictionary › sentinelSentinel Definition & Meaning - Merriam-Webster

    noun. sen· ti· nel ˈsent-nəl. ˈsen-tə-nəl. Synonyms of sentinel. : sentry. sentinel. 2 of 2. verb. sentineled or sentinelled; sentineling or sentinelling. transitive verb. 1. : to watch over as a sentinel. 2. : to furnish with a sentinel. 3. : to post as sentinel. Synonyms. Noun. custodian. guardian. keeper. lookout.

  4. www.dictionary.com › browse › sentinelSENTINEL Definition & Meaning | Dictionary.com

    Sentinel definition: a person or thing that watches or stands as if watching. See examples of SENTINEL used in a sentence.

  5. www.collinsdictionary.com › dictionary › englishSENTINEL definition and meaning | Collins English Dictionary

    noun. 1. a person, such as a sentry, assigned to keep guard. 2. computing. a character used to indicate the beginning or end of a particular block of information. verb Word forms: -nels, -nelling, -nelled, US -nels, -neling, -neled (transitive) 3. to guard as a sentinel. 4. to post as a sentinel. 5. to provide with a sentinel.

  6. www.vocabulary.com › dictionary › sentinelSentinel - Definition, Meaning & Synonyms | Vocabulary.com

    A sentinel is a guard, a lookout, a person keeping watch. It's often a soldier, but not always. If you're watching a pot, waiting for it to boil, you're standing sentinel over it — and incidentally, it won't boil until you leave.

  7. www.oxfordlearnersdictionaries.com › definition › englishsentinel noun - Definition, pictures, pronunciation and usage...

    Definition of sentinel noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  8. www.thefreedictionary.com › sentinelSentinel - definition of sentinel by The Free Dictionary

    1. a person, such as a sentry, assigned to keep guard. 2. (Computer Science) computing a character used to indicate the beginning or end of a particular block of information. vb ( tr) , -nels, -nelling or -nelled. 3. to guard as a sentinel. 4. to post as a sentinel. 5. to provide with a sentinel.

  9. www.oed.com › dictionary › sentinel_nsentinel, n. meanings, etymology and more - Oxford English...

    There are seven meanings listed in OED's entry for the noun sentinel, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. sentinel has developed meanings and uses in subjects including

  10. www.ldoceonline.com › dictionary › sentinelsentinel | meaning of sentinel in Longman Dictionary of...

    sentinel meaning, definition, what is sentinel: a sentry: Learn more.

  11. www.dictionary.com › browse › sentinellikeSENTINEL Definition & Usage Examples | Dictionary.com

    Sentinel definition: a person or thing that watches or stands as if watching. See examples of SENTINEL used in a sentence.