calyptra

noun ca·lyp·tra \ kə-ˈlip-trə \

Definition of calyptra

:a hoodlike structure in a plant; especially :haploid tissue forming a membranous hood over the capsule in a moss

Origin and Etymology of calyptra

New Latin, from Greek kalyptra veil, from kalyptein to cover — more at hell


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to conform or adhere

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