clenched; clenching; clenches
Definition of clench
1
: clinch sense 2
2
: to hold fast : clutch
clenched the arms of the chair
3
: to set or close tightly
clench one's teeth clench one's fists
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Merriam-Webster unabridged
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Time Traveler for clench
The first known use of clench was in the 13th century
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