cinch
noun
a strong girth used on stock saddles, having a ring at each end to which a strap running from the saddle is secured.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Our evidence of how distinctive it is has cinched the deal,” he says.
From National Geographic ● Apr. 18, 2018