clenchPronunciation: (klench), [key]
to close (the hands, teeth, etc.) tightly.
to grasp firmly; grip.
clinch (def. 1).
clinch (defs. 2–4).
to close or knot up tightly: His hands clenched as he faced his enemy.
the act of clenching.
a tight hold; grip.
something that clenches or holds fast.
clinch (defs. 9, 11, 12).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.