adv. Obs. rare. [f. QUADRANT a. + -LY2.] Squarely; in a square form. To multiply quadrantly, to square.

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1538.  Leland, Itin., III. 33. In the midle of the Toun … is a House buildid quadrantly.

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1581.  Styward, Mart. Discipl., II. 108. An order to imbattell 12. C men quadrantlie at the sodaine.

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1594.  Blundevil, Exerc., I. xxvi. (1636), 62. You must multiply the said 4 in it selfe Quadrantly, which maketh 16.

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