gemma
/ˈd͡ʒɛmə/ noun, proper noun
Forms gemmas gemmae Jemma
- noun (biology) An asexual reproductive structure, as found in animals such as hydra (genus Hydra) and plants such as liverworts (division Marchantiophyta), consisting of a cluster of cells from which new individuals can develop; a bud.
- proper noun A female given name from Italian.
- proper noun (astronomy) A bright binary star in the constellation Corona Borealis; Alpha (α) Coronae Borealis.
Synonyms
Etymology
Learned borrowing from Latin gemma (“bud on a plant”). Doublet of gem and Gemma.
Ultimately from Latin gemma (“jewel”). The given name is mostly borrowed via Italian Gemma; the spelling Jemma in particular is associated with James. Doublet of gemma and gem.
Webster’s 1913
- noun A leaf bud, as distinguished from a flower bud.
- noun A bud spore; one of the small spores or buds in the reproduction of certain Protozoa, which separate one at a time from the parent cell.
Etymology [L., a bud.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “gemma”, CC BY-SA 4.0. Details