v. [f. L. extund-ĕre, f. ex- out + tundĕre to beat.] trans. To beat or hammer out; only fig.

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1610.  W. Folkingham, Art of Survey, To Rdr. 3. To extunde and beat-out this true Proportion, I obserue the Circumstances proiected. Ibid., II. iv. 52. Mensuration is conuersant in extunding the lineall extentions of longitudes.

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1727.  in Bailey, vol. II.

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1890.  Pall Mall Gaz., 16 May, 4/2. Leaders … have to be extunded sometimes in … haste.

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