a. [f. L. spelunca.]

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  1.  Having relation or reference to a cave.

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1855.  Ecclesiologist, XVI. 295. What Mr. Scott calls the speluncar idea, is thus fully carried out.

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1861.  Beresf. Hope, Eng. Cathedr. 19th C., iii. 85. Mr. Burges … bases his plan upon what has been called, by a self-explanatory term, the speluncar principle of tropical architecture.

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  2.  Of the nature of a cave.

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1865.  Sat. Rev., 11 Feb., 181. Nor would these speluncar chambers gain much in artistic value … were the point gained.

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