calyptra

ca·lyp·tra

C0046200 (kə-lĭp′trə)n.1. The protective cap or hood covering the spore case of a moss or related plant.2. A similar hoodlike or caplike structure, such as a root cap.

---

[Medieval Latin, from Greek kaluptra, veil, from kaluptein, to cover; see kel- in Indo-European roots.]

---

ca·lyp′trate′ (-trāt′) adj.

calyptra

(kəˈlɪptrə) n1. (Botany) a membranous hood covering the spore-bearing capsule of mosses and liverworts2. (Botany) any hoodlike structure, such as a root cap[C18: from New Latin, from Greek kaluptra hood, from kaluptein to cover] calyptrate adj

ca•lyp•tra

(kəˈlɪp trə)

n., pl. -tras. 1. a hood or hoodlike part, as the lid of the capsule in mosses. 2. a root cap. [1745–55; < New Latin < Greek kalýptra veil, covering] ca•lyp′trate (-treɪt) adj.

Thesaurus

Noun

1.

calyptra - the hood or cap covering the calyx of certain plants: e.g., the California poppyplant part, plant structure - any part of a plant or fungus