monocotyledon

noun
mono·​cot·​y·​le·​don | \ˌmä-nə-ˌkä-tə-ˈlē-dᵊn \

Definition of monocotyledon 

: 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

Other Words from monocotyledon

monocotyledonous \ -​dᵊn-​əs \ adjective

First Known Use of monocotyledon

circa 1727, in the meaning defined above

History and Etymology for monocotyledon

ultimately from New Latin mon- + cotyledon cotyledon

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The first known use of monocotyledon was circa 1727

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