From Longman Dictionary of Contemporary Englishthongthong /θɒŋ $ θɒːŋ/ noun [countable] 1 Da long thin piece of leather used to fasten something or as part of a whip2 [usually plural] American EnglishDCC a type of shoe that covers the bottom of your foot, with a strap that goes between your toes to hold it on your foot as you walk SYN flip-flops3 DCCa piece of underwear or the bottom half of a bikini that has a single string instead of the back partOrigin thong Old English thwong
