Any of a class (Liliopsida) of angiosperms, including lilies, orchids, and grasses, having an embryo containing only one cotyledon, and characterized by parallel-veined leaves, flower parts in multiples of three, and no secondary growth in stems and roots.
Webster's New World
Other Word Forms of Monocotyledon
Origin of Monocotyledon
mono- +"Ž cotyledon
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