n.
   - a narrow strip of leather or other material, used especially as a fastening or as the lash of a whip.
 - a skimpy bathing garment or pair of knickers like a G-string.
 - N. Amer. & Austral. a light sandal or flip-flop.
 
 
  Derivative
  
  Etymology
  OE thwang, thwong, of Gmc origin.