/klench/ , v.t.
1. to close (the hands, teeth, etc.) tightly.
2. to grasp firmly; grip.
3. clinch (def. 1).
4. clinch (defs. 2-4).
v.i.
5. to close or knot up tightly: His hands clenched as he faced his enemy.
n.
6. the act of clenching.
7. a tight hold; grip.
8. something that clenches or holds fast.
9. clinch (defs. 9, 11, 12).
[ 1200-50; ME clenchen; cf. OE beclencan hold fast ]
Syn. 2. clasp, clutch.