noun🔗ShareA bodyguard or unit of bodyguards, a guard of someone's (especially a king's) life or person."The king's lifeguard stood vigilantly at the palace entrance. "jobservicepersonaidhumanChat with AIVocabulary GamePractice Reading
noun🔗ShareAn attendant, usually an expert swimmer, employed to save swimmers in trouble or near drowning at a body of water."The lifeguard at the pool saved a little boy who had fallen in. "jobpersonservicesporthumanaidChat with AIVocabulary GamePractice Reading
noun🔗ShareA lifesaver."The lifeguard saved the child who fell into the pool. "jobservicepersonaidsportChat with AIVocabulary GamePractice Reading
noun🔗ShareA sturdy metal bracket fixed in front of each of the leading wheels of a train to deflect small objects away from the wheels to prevent derailment."The train had a lifeguard in front of each wheel to push rocks off the tracks. "vehiclemachinetechnicalpartindustryChat with AIVocabulary GamePractice Reading
