calyptra
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Tortula_muralis_kalyptra.jpeg/220px-Tortula_muralis_kalyptra.jpeg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Flowering_of_a_single_Ugni_blanc_grape_bud_with_calyptra_shedding_in_Cognac.jpg/220px-Flowering_of_a_single_Ugni_blanc_grape_bud_with_calyptra_shedding_in_Cognac.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Eucalyptus_ficifolia_dehiscent_flower_bud.jpg/220px-Eucalyptus_ficifolia_dehiscent_flower_bud.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Fly_haltere_and_calyptra.jpg/220px-Fly_haltere_and_calyptra.jpg)
Etymology
From (deprecated template usage) [etyl] Ancient Greek καλύπτρα (kalúptra, “covering or veiling”).
Noun
calyptra (plural calyptras or calyptrae)
- (botany) In bryophytes, a thin, hood of tissue that forms from the archegonium and covers the developing sporophyte and is shed as it ripens.[1]
- 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 4:
- (b) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base.
- (botany) any cap-like covering of a flower or fruit, such as the operculum over the unopened buds of Eucalyptus flowers[1]
- (botany) Any of various coverings at the tips of structures, in the terminology of various authors; for example rootcaps and the apical cells of trichomes.[1]
- (entomology) In flies such as the housefly, Musca, in the taxonomic order Diptera, zoological section Schizophora, subsection Calyptrata, the calyptra is a membranous rearward extension of the forewing; it covers the haltere.[2]
Translations
thin, hood-like tissue
References
Latin
Etymology
Borrowed from Ancient Greek κᾰλῠ́πτρᾱ (kalúptrā).
Pronunciation
- (Classical Latin) IPA(key): /kaˈlyp.tra/, [käˈlʲʏpt̪rä]
- (modern Italianate Ecclesiastical) IPA(key): /kaˈlip.tra/, [käˈlipt̪rä]
Noun
calyptra f (genitive calyptrae); first declension
Declension
First-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | calyptra | calyptrae |
Genitive | calyptrae | calyptrārum |
Dative | calyptrae | calyptrīs |
Accusative | calyptram | calyptrās |
Ablative | calyptrā | calyptrīs |
Vocative | calyptra | calyptrae |
References
- “calyptra”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- calyptra in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Categories:
- English terms derived from Ancient Greek
- English lemmas
- English nouns
- English countable nouns
- English nouns with irregular plurals
- en:Botany
- English terms with quotations
- en:Entomology
- Latin terms borrowed from Ancient Greek
- Latin terms derived from Ancient Greek
- Latin 3-syllable words
- Latin terms with IPA pronunciation
- Latin lemmas
- Latin nouns
- Latin first declension nouns
- Latin feminine nouns in the first declension
- Latin terms spelled with Y
- Latin feminine nouns
- la:Headwear