Polycotyledon is a term used to describe a type of seed that has more than two cotyledons. However, there are many synonyms for this word that can be used to refer to the same type of seed. One option is to use the term "multicotyledonous," which means the same thing. Another possibility is to use the term "polycot," which is a shortened version of the original word. Other synonyms include "polyembryony," "polysperm," and "polyploid." While all of these words refer to the same general concept, they each have their own nuances and may be better suited for certain contexts.