definition of
clench

[1] #1 clench v. [clinch] hold in a tight grasp; "clench a steering wheel". wn

[2] #2 clench v. squeeze together tightly; "clench one's jaw". wn

[3] #3 clench n. [clinch] a small slip noose made with seizing. wn

[4] #4 clench n. [clasp, clutch, clutches, grasp, grip, hold] the act of grasping; "he released his clasp on my arm"; "he has a strong grip for an old man"; "she kept a firm hold on the railing". wn