Monocotyledon
Pronunciation : Mon`o*cot`y*le"don
Part of Speech : n.
Etymology : [Mono- + cotyledon: cf. F. monocotyl?done.] (Bot.)
Definition : Defn: A plant with only one cotyledon, or seed lobe.
Note: The plural, monocotyledons, is used as the name of a large class of plants, and is generally understood to be equivalent to the term endogens.
Source : Webster's Unabridged Dictionary, 1913