The Collaborative International Dictionary
Polycotyledon
Polycotyledon \Pol`y*cot`y*le"don\, n. [Poly- + cotyledon: cf. F. polycotyl['e]done.] (Bot.) A plant that has many, or more than two, cotyledons in the seed. -- Pol`y*cot`y*led"on*ous, a.
Wiktionary
polycotyledon
n. (context botany English) A plant that has many, or more than two, cotyledons in the seed.