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A conical mineral deposit, usually calcite or aragonite, built up on the floor of a cavern, formed from the dripping of mineral-rich water.
[New Latin stalagmītēs, a drop, from Greek stalagma, a drop, or stalagmos, dropping, both from stalassein, stalak-, to drip.]
stal′ag·mit′ic (stăl′əg-mĭt′ĭk, stə-lăg′-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.