- a cup-shaped whorl of hardened, cohering bracts, as in the acorn.
- a cup-shaped outgrowth of the thallus of certain liverworts.
- the apothecium of a cup fungus.
Origin of cupule
Examples from the Web for cupule
These cylindrical muscles with their cupule and tendon look like so many syringes.An Introduction to Entomology: Vol. IV (of 4)|William Kirby
Here the involucre, in the form of a cup at the base, is called the Cupule.
In the Chestnut the cupule forms the bur; in the Hazel, a leafy husk.
The latter are in clusters of a few only, and each separate flower is enclosed in a cupule of overlapping scales.Field and Woodland Plants|William S. Furneaux
Among the specimens of the last class, one sort, the cupule, is extremely widespread.