Calyptra Definition
kə-lĭptrə
noun
The remains of the female sex organ, or archegonium, of a moss, forming the protective caplike covering of the spore case.
Webster's New World
Any similar protective hood, cap, or covering of a fruit, flower, or root.
Webster's New World
A similar hoodlike or caplike structure, such as a root cap.
American Heritage
(botany) In bryophytes, a thin, hood-like tissue that forms from the archegonium and covers the developing sporophyte.
Wiktionary
Other Word Forms of Calyptra
Noun
Singular:
calyptra
Plural:
calyptrae, calyptrasOrigin of Calyptra
-
Medieval Latin from Greek kaluptra veil from kaluptein to cover kel-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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