1

sentinel

play
noun sen·ti·nel \ˈsent-nəl, ˈsen-tə-nəl\

Examples of sentinel in a Sentence

  1. a lone sentinel kept watch over the fort

Origin and Etymology of sentinel

Middle French sentinelle, from Old Italian sentinella, from sentina vigilance, from sentire to perceive, from Latin


First Known Use: 1579


2

sentinel

verb sen·ti·nel

Definition of sentinel

sentineled

or

sentinelled

;

sentineling

or

sentinelling

  1. transitive verb
  2. 1 :  to watch over as a sentinel

  3. 2 :  to furnish with a sentinel

  4. 3 :  to post as sentinel

1593

First Known Use of sentinel

1593



SENTINEL Defined for Kids

sentinel

play
noun sen·ti·nel \ˈsen-tə-nəl\

Definition of sentinel for Students

  1. :  sentry


Medical Dictionary

sentinel

play
adjective sen·ti·nel \ˈsent-ən-əl\

Medical Definition of sentinel

  1. :  being an individual or part of a population potentially susceptible to an infection or infestation that is being monitored for the appearance or recurrence of the causative pathogen or parasite



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