Thong (?), n. [OE. thong, þwong, thwang, AS. þwang; akin to Icel. þvengr a thong, latchet. 57. Cf. Twinge.]
A strap of leather; especially, one used for fastening anything.
And nails for loosened spears, and thongs for shields, provide.
Dryden.
Thong seal Zool., the bearded seal. See the Note under Seal.
© Webster 1913.