: one that clinches: such as. a : a decisive fact, argument, act, or remark the expense was the clincher that persuaded us to give up the enterprise. b : a tire with flanged beads fitting into the wheel rim.

What does clincher mean here?

a statement, argument, fact, situation, or the like, that is decisive or conclusive: The heat was the clincher that made us decide to leave the city.

What is a clincher in an essay?

A clincher summarizes the main ideas or feelings. at the end of a closing paragraph and lets the reader know when the essay or story is done. Clinchers don't just restate the topic sentence; restating the topic sentence as the clincher is too easy and usually dull.