Pronunciation: (thông, thong),[key] —n. 1. a strip of material, esp. of leather or hide, used to fasten or secure something.
2. a strip of leather or hide used for whipping; whiplash.
3. a shoe or slipper fastened to the foot chiefly by a strip of leather or other material passing between the first and second toes and often attaching to another strip of material, as a strap across the instep or around the ankle.