Definition of "sentinels" [sentinels]

• Plural form of sentinel. (noun)

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• "The new study is based on information from more than 10,700 "sentinels" - such as child welfare workers, police officers, teachers, health care professionals and day-care workers - in 122 counties across the country."
• "The new study is based on information from more than 10,700 "sentinels" - such as child welfare workers, police officers, teachers, health care professionals and day care workers - in 122 counties across the country."
• "The new study is based on information from more than 10,700 "sentinels" -- such as child welfare workers, police officers, teachers, health care professionals and day care workers -- in 122 counties across the country."