[{"word":"fins","phonetic":"/fɪnz/","phonetics":[{"text":"/fɪnz/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.","synonyms":[],"antonyms":[],"example":"The fish's fins minimize water flow."},{"definition":"A similar appendage of a cetacean or other marine animal.","synonyms":[],"antonyms":[],"example":"a dolphin's fin"},{"definition":"A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.","synonyms":[],"antonyms":[],"example":"The fin stabilises the plane in flight."},{"definition":"A similar structure on the tail of a bomb, used to help keep it on course.","synonyms":[],"antonyms":[]},{"definition":"A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.","synonyms":[],"antonyms":[]},{"definition":"A device worn by divers and swimmers on their feet.","synonyms":[],"antonyms":[],"example":"The divers wore fins to swim faster."},{"definition":"An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.","synonyms":[],"antonyms":[]},{"definition":"A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.","synonyms":[],"antonyms":[]}],"synonyms":["flipper","flipper","Mohican","vane"],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To cut the fins from a fish, shark, etc.","synonyms":[],"antonyms":[]},{"definition":"(Of a fish) to swim with the dorsal fin above the surface of the water.","synonyms":[],"antonyms":[]},{"definition":"To swim in the manner of a fish.","synonyms":[],"antonyms":[],"example":"A neutrally buoyant diver does not need to fin to maintain depth."},{"definition":"To provide (a motor vehicle etc) with fins.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"(formerly Australia) a five-pound (£5) note; the sum of five pounds.","synonyms":["fiver"],"antonyms":[]},{"definition":"A five-dollar bill; the sum of five dollars.","synonyms":["Lincoln","fiver"],"antonyms":[]}],"synonyms":["Lincoln","fiver","fiver"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/fin","https://en.wiktionary.org/wiki/fins"]}]