What is to gird with a sinch; to tighten the sinch or girth of (a saddle); as, to sinch up a sadle. [Western U.S.] called?

sinch — To gird with a sinch; to tighten the sinch or girth of (a saddle); as, to sinch up a sadle. [Western U.S.]. (Webster's 1913.)

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