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clench

1 ENTRIES FOUND:
clench /ˈklɛntʃ/ verb
clenches; clenched; clenching
clench
/ˈklɛntʃ/
verb
clenches; clenched; clenching
Britannica Dictionary definition of CLENCH
: to set (something) in a tightly closed position
[+ object]
[no object]
[+ object] : to hold (something) tightly