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Shaped like a slipper, as the pouchlike petal of the flower of the lady's slipper.
[From Latin calceolus, diminutive of calceus, shoe, from calx, calc-, heel.]
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.
cal•ce•o•late(ˈkæl si əˌleɪt)
having the form of a shoe or slipper, as the labellum of certain orchids.
[1860–65; < Latin calceol(us) small shoe (calce(us) shoe, derivative of calx heel + -olus -ole1) + -ate1]
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