noun cu·pule \ˈkyü-(ˌ)pyül\

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


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