Main Entry: di·cot·y·le·don

Pronunciation: \ˌdī-ˌkä-tə-ˈlē-d^ən\

Function: noun

Etymology: New Latin

Date: circa 1727

: any of a class or subclass (Magnoliopsida or Dicotyledoneae) of angiospermous plants that produce an embryo with two cotyledons and usually have floral organs arranged in cycles of four or five and leaves with reticulate venation — compare monocotyledon

— di·cot·y·le·don·ous \-də-nəs\ adjective