a cup-shaped part or structure, such as the cup around the base of an acorn
WordReference Random House Unabridged Dictionary of American English © 2025
cu•pule
(kyo̅o̅′pyo̅o̅l),USA pronunciation n.
- [Bot.]
- Botanya cup-shaped whorl of hardened, cohering bracts, as in the acorn. See illus. under acorn.
- Botanya cup-shaped outgrowth of the thallus of certain liverworts.
- Botanythe apothecium of a cup fungus.
- Zoologya small cup-shaped sucker or similar organ or part.
- Neo-Latin cūpula, Late Latin: small tub; see cupola
- 1820–30
Collins Concise English Dictionary © HarperCollins Publishers::
'cupule' also found in these entries (note: many are not synonyms or translations):