Archegonium

Full definition of archegonium

Noun

1. (botany) A multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop.
• Schuster Hepaticae V|5On fertilization, the archegonia form obyriform calyptrae that are distinctly narrowed at base to form a stalk or peduncle; this does not occur in other Hepaticae.

Antonyms

• (reproductive structure) antheridium

Coordinate terms

• antheridium, oogonium