cupule

[kyoo-pyool]
noun
  1. Botany.
    1. a cup-shaped whorl of hardened, cohering bracts, as in the acorn.
    2. a cup-shaped outgrowth of the thallus of certain liverworts.
    3. the apothecium of a cup fungus.
  2. Zoology. a small cup-shaped sucker or similar organ or part.

Origin of cupule

1820–30; < New Latin cūpula, Late Latin: small tub; see cupola
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for cupule

cupule

noun
  1. biology a cup-shaped part or structure, such as the cup around the base of an acorn

Word Origin for cupule

C19: from Late Latin cūpula; see cupola
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012