What does the word clinch mean?

Usage examples for clinch

  1. And for a minute there I thought both Vee and I were let in for a fond clinch act with Miss Casey. – Torchy and Vee by Sewell Ford
  2. " They want to take another good look at you to clinch matters so that they can make oath to your identity," said Locke, swiftly crossing and flinging the door open. – Lefty Locke Pitcher-Manager by Burt L. Standish
  3. She even added, to clinch it, " What on earth can they see in each other?" – In a Little Town by Rupert Hughes