Sinch (?), n. [See Cinch.]
A saddle girth made of leather, canvas, woven horsehair, or woven grass.
[Western U.S.]
© Webster 1913.
Sinch, v. t.
To gird with a sinch; to tighten the sinch or girth of (a saddle); as, to sinch up a sadle.
[Western U.S.]
© Webster 1913.