calyptra
(noun) the hood or cap covering the calyx of certain plants: e.g., the California poppy
Source: WordNet® 3.1
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.
(botany) any cap-like covering of a flower or fruit, such as the operculum over the unopened buds of Eucalyptus flowers
(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.
(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.
Source: Wiktionary
Ca*lyp"tra, n. Etym: [NL., fr. Gr. (Bot.)
Definition: A little hood or veil, resembling an extinguisher in form and position, covering each of the small flaskike capsules which contain the spores of mosses; also, any similar covering body.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 April 2025
(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
