a. [UN-1 9.]

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  1.  Not covered over with an arch.

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1658.  Osborne, Adv. Son (1896), 132. [A] tomb also hinders the variety of such contingent Resurrections as unarched Bodies enjoy.

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  2.  Not provided with arches.

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1832.  Froude in Rem. (1838), I. 299. The awkwardness of mixing up arched and unarched architecture is thus entirely avoided.

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