Dictionary
di•cot•y•le•don
Pronunciation: (dī-kot"l-ēd'n, dī"kot-l-), [key]—
n. Bot.
any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf.
monocotyledon.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.