plural of thong
"The leather straps on her sandals were worn thin, so she decided to buy a new pair of thongs for the beach trip."
In plain English: Thongs are a type of underwear that has thin straps connecting the front and back to cover only the essential parts.
"She packed her swimsuit and thongs for the beach trip."
plural of Thong
"She couldn't find her swimsuit because she had left both thongs in the locker room."
Derived from Old English þanc (thought), the term originally meant "to think" or "consider." However, in modern usage referring to footwear straps or underwear, it stems from an obsolete sense of "a strip of leather," likely related to the idea of a thin band.