noun
lookout, sentry, watchman; see guard.
See sentinel in Webster's New World Roget's A-Z Thesaurus II
A person or special body of persons assigned to provide protection or keep watch over, for example:
Learn more about sentinel
» sentinel sentence examples
Also Mentioned In
» accept
» alone
» biopsy
» custodian
» ensure
» guard
» liquid
» lymph
» lymph node
» melanoma
» more results...
Browse entries near sentinel
sentimentalized
sentimentalizing
sentimentally
sentimo
sentinel
sentinel gland
sentinel pile
sentinel tag
sentineled
sentineling