noun🔗ShareA sentry, watch, or guard."The tall trees stood as silent sentinels, guarding the entrance to the park. "militarypolicegovernmentChat with AIVocabulary GamePractice Reading
noun🔗ShareA private soldier."The young sentinels stood guard at the army base entrance, checking IDs. "militarypersonjobChat with AIVocabulary GamePractice Reading
noun🔗ShareA unique string of characters recognised by a computer program for processing in a special way; a keyword."The tag is a sentinel that suspends web-page processing and displays the subsequent text literally."computingtechnologywordtechnicalsignalChat with AIVocabulary GamePractice Reading
noun🔗ShareA sentinel crab."The sentinels scurried sideways along the beach, disappearing into their burrows as we approached. "animalbiologyorganismnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA sign of a health risk (e.g. a disease, an adverse effect)."sentinel animals can be used to explore endemic diseases."medicinesignconditionChat with AIVocabulary GamePractice Reading
