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Webster 1913 Edition

Noun.

[For

womb tie

, that is, belly[GREEK]and. See

, and

A surcingle, or strap of leather, used for binding a load upon the back of a beast; also, a leather tie; a short wagon rope.

[Prov. Eng.]

Noun.

A broad strap of leather, used for binding a load upon the back of a beast. [Local.]

wanty ‎(plural wanties)

(Britain, dialectal) A girth or belly-band for a horse's harness.
(Britain, dialect) A surcingle, or strap of leather, used for binding a load upon the back of an animal.
(Britain, dialect) A leather tie; a short wagon rope.
(Britain, dialectal) A stretch of fishing-lines shot in the water.

From want +‎ -y.

wanty ‎(comparative more wanty, superlative most wanty)