[UN-2 9.] trans. To open or detach by wrenching.

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1818.  Milman, Genius, 27. While Rape unwrench’d her wither’d grasp That clung unto the tomb.

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1832.  J. Montgomery, Cholera Mount, Wks. 1841, IV. 170. The blue pest, whose gripe no art can shun, No force unwrench.

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