noun cu·pule \ˈkyü-(ˌ)pyül\

Definition of cupule

  1. :  a cup-shaped anatomical structure: such asa :  an involucre characteristic of the oak in which the bracts are indurated and coherentb :  an outer integument partially enclosing the seed of some seed ferns

Origin and Etymology of cupule

New Latin cupula, from Late Latin, diminutive of Latin cupa tub — more at hive

First Known Use: 1826

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