Main Entry: mono·cot·y·le·don

Pronunciation: \ˌmä-nə-ˌkä-tə-ˈlē-d^ən\

Function: noun

Etymology: ultimately from New Latin mon- + cotyledon cotyledon

Date: circa 1727

: any of a class or subclass (Liliopsida or Monocotyledoneae) of chiefly herbaceous angiospermous plants having an embryo with a single cotyledon, usually parallel-veined leaves, and floral organs arranged in cycles of three — compare dicotyledon

— mono·cot·y·le·don·ous \-d^ən-əs\ adjective