noun🔗ShareArchégoneA 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. "Le botaniste examina attentivement la plante de mousse, à la recherche du minuscule archégone où l'oosphère serait fécondée.biologyplantorganismstructureseedsexnatureChat with AIVocabulary GamePractice Reading