clincher

noun

Etymology: Etymology tree English clinch Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English clincher From clinch + -er.

1. That which clinches; that which makes something final or firm; a decisive factor.

   “The clincher was that we couldn't wait any longer to leave, or it would get dark.”

   “Newcastle's Dan Gosling was sent off for a foul on Russell Martin but Ba fired in to cut the deficit, before Holt nodded in the clincher.”

2. A tyre with a bead around the edge to attach to the rim of the wheel when inflated.