Nearby Words
sen·ti·nel
[sen-tn-l] noun, verb, sen·ti·neled, sen·ti·nel·ing or (especially British) sen·ti·nelled, sen·ti·nel·ling. noun
1.
a person or thing that watches or stands as if watching.
2.
a soldier stationed as a guard to challenge all comers and prevent a surprise attack: to stand sentinel.
3.
Also called tag. Computers. a symbol, mark, or other labeling device indicating the beginning or end of a unit of information.
verb (used with object)
4.
to watch over or guard as a sentinel.
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Sentinel
is always a great word to know.
So is sysop. Does it mean:
| a person who operates a computer bulletin board: a system operator |
| the portion of a computer console that contains manual controls for regulating computer operations |
Origin:
1570–80; < Middle French sentinelle < Italian sentinella, derivative of Old Italian sentina vigilance (Latin sent(īre) to observe) + -īna -ine2)
1570–80; < Middle French sentinelle < Italian sentinella, derivative of Old Italian sentina vigilance (Latin sent(īre) to observe) + -īna -ine2)
Related forms
sen·ti·nel·like, adjective
sen·ti·nel·ship, noun
un·sen·ti·neled, adjective
un·sen·ti·nelled, adjective
Synonyms
1, 2. sentry, guard, watch, lookout.
1, 2. sentry, guard, watch, lookout.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To sentinel
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
sentinel
1579, from M.Fr. sentinelle, from It. sentinella, perhaps (via a notion of "perceive, watch"), from sentire "to hear, perceive," from L. senire "feel" (see sense).
Online Etymology Dictionary, © 2010 Douglas Harper
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