cupule
Americannoun
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Botany.
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a cup-shaped whorl of hardened, cohering bracts, as in the acorn.
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a cup-shaped outgrowth of the thallus of certain liverworts.
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the apothecium of a cup fungus.
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Zoology. a small cup-shaped sucker or similar organ or part.
noun
Etymology
Origin of cupule
1820–30; < New Latin cūpula, Late Latin: small tub; see cupola
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Until now, researchers had focused on a fossil cupule plant called Caytonia, discovered in Yorkshire, U.K., as the closest relative to angiosperms.
From Science Magazine ● May 26, 2021
Now, having a whole group of potential closest relatives with a variety of cupule structures, “gives us different ideas about where the carpel has come from,” Donoghue says.
From Science Magazine ● May 26, 2021
They called the outer coat a cupule and proposed that it was the precursor to the outer coat, or integument, of angiosperm seeds.
From Science Magazine ● May 26, 2021
The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds.
From Science Magazine ● May 26, 2021
Having fruit inclosed within a covering that does not form a part of itself; as, the filbert covered by its husk, or the acorn seated in its cupule.
From Webster's Unabridged Dictionary by Webster, Noah
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
