[ kyoo-pyool ]
/ ˈkyu pyul /


  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.
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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cupule

British Dictionary definitions for cupule


/ (ˈkjuːpjuːl) /


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