noun
polycotyledon
Botanical term for a plant whose embryo has more than two cotyledons. Rare outside specialized contexts.
多子葉植物は、通常の双子葉植物よりも多くの子葉を持つ。
Polycotyledons have more cotyledons than ordinary dicotyledons.
Compound of 多 (many) + 子葉 (cotyledon) + 植物 (plant). A modern scientific term.