thong

(noun) leather strip that forms the flexible part of a whip. Synonyms: lash.

(noun) underpants resembling a G-string; worn by women especially under very tight pants. Example: "She wore thongs in her quest for the callipygian ideal."

(noun) a thin strip of leather; often used to lash things together.

(noun) minimal clothing worn by stripteasers; a narrow strip of fabric that covers the pubic area, passes between the thighs, and is supported by a waistband. Synonyms: G-string.

(noun) a backless sandal held to the foot by a thong between the big toe and the second toe. Synonyms: flip-flop.