Definitions
1.verbTo clasp; to interlock.
2.verbTo make certain; to finalize."I already planned to buy the car, but the color was what really clinched it for me."
3.verbTo fasten securely or permanently.
4.verbTo bend and hammer the point of (a nail) so it cannot be removed.
5.verbTo embrace passionately.
6.verbTo hold firmly; to clench.
7.verbTo set closely together; to close tightly."to clinch the teeth or the fist"