Definition of archegonium in English:

Share this entry


Pronunciation: /ˌärkəˈɡōnēəm/

noun (plural archegonia /-nēə/)

The female sex organ in mosses, liverworts, ferns, and most conifers.
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'.

For editors and proofreaders

Syllabification: ar·che·go·ni·um

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.