noun🔗ShareArchegoniumA multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop."The botanist carefully examined the moss plant, looking for the tiny archegonium where the egg cell would be fertilized. "Der Botaniker untersuchte sorgfältig die Moospflanze und suchte nach dem winzigen Archegonium, in dem die Eizelle befruchtet werden würde.biologyplantorganismstructureseedsexnatureChat with AIVocabulary GamePractice Reading