Definition of cupule
: a cup-shaped anatomical structure: as a : an involucre characteristic of the oak in which the bracts are indurated and coherent b : an outer integument partially enclosing the seed of some seed ferns
Origin of cupule
New Latin cupula, from Late Latin, diminutive of Latin cupa tub — more at hive
First Known Use: 1826
Learn More about cupule
Britannica.com: Encyclopedia article about "cupule"
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