Definition of archegonium in English:


Syllabification: ar·che·go·ni·um
Pronunciation: /ˌärkiˈgōnēəm

noun (plural archegonia /-nēə/)

  • The female sex organ in mosses, liverworts, ferns, and most conifers.
    More example sentences
    • Antheridia formed on the dorsal and ventral surfaces of the wing, while archegonia formed on the ventral surface of the anterior cushion.
    • Dispersed by wind, these small spores germinate into small, freeliving, disc-shaped gametophytes that produce either archegonia - organs in which egg cells are formed - or sperm-producing antheridia.
    • Notwithstanding their general similarity, the archegonia of mosses differ externally from antheridia in having a longer neck and longer stalk.


mid 19th century: modern Latin, from Greek arkhegonos, from arkhe- 'first' + gonos 'race'.

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