D defs.my
Entry 1 sense Webster, 1913

Thong

/thŏng/ · IPA /θɔŋ/
01 n. A strap of leather; especially, one used for fastening anything.
  1. 1.
    A strap of leather; especially, one used for fastening anything.
    “And nails for loosened spears, and thongs for shields, provide.” Dryden.
Phrases & compounds
Thong seal — the bearded seal. See the Note under Seal.