A latchet, also known as a strap or belt, is a narrow strip of material used to fasten or secure something. It can refer to a small piece of leather or fabric used to hold a shoe or sandal on the foot, or to a longer strip used to fasten a piece of clothing or luggage. Synonyms for latchet include strap, thong, tie, belt, band, and string. These words can be used interchangeably depending on the context, with strap and belt typically used for thicker or sturdier materials, while thong, tie, band, and string are used for thinner or more delicate materials.