Also catabothron, katavothron. Pl. -a (-ons). [a. late and mod.Gr. κατάβοθρον, f. κατά down + βόθρος a hole.] A subterranean channel or deep chasm formed by the action of water.

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1820.  T. S. Hughes, Trav. Sicily, II. xii. 311. A lake whose superfluous waters are carried off by a catabothron or subterranean channel.

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1833.  Lyell, Princ. Geol., III. 144. The gulphs (katavothrons) of the plain of Tripolitza have swallowed up of late years thousands of human bones.

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1846.  Grote, Greece, II. viii. II. 596. Tegea and Mantineia—conterminous towns … separated by one of those capricious torrents which only escapes through katabothra.

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