[{"word":"lifeguard","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A bodyguard or unit of bodyguards, a guard of someone's (especially a king's) life or person.","synonyms":[],"antonyms":[]},{"definition":"An attendant, usually an expert swimmer, employed to save swimmers in trouble or near drowning at a body of water.","synonyms":[],"antonyms":[]},{"definition":"A lifesaver.","synonyms":[],"antonyms":[]},{"definition":"A 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.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/lifeguard"]}]