v. [UN-2 3, 6 b, 7.] a. trans. To divest of squareness; to undo the squaring of. b. intr. To lose squareness of form or structure.

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1611.  Florio, Disquatrare, to vnsquare.

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1790.  Trans. Soc. Arts, VIII. 168. [The loom] is not liable to unsquare; and yet … may be more easily removed than the old loom.

3

1872.  De Morgan, Budget of Paradoxes, 470. Montucla charges Cluvier with unsquaring the parabola, which Archimedes had squared as tight as a glove.

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