The Collaborative International Dictionary
dicotyledonous \di*cot`y*led"on*ous\ (d[-i]*k[o^]t`[i^]*l[e^]d"[u^]n*[u^]s), a. (Bot.) Having two cotyledons or seed lobes; as, a dicotyledonous plant.
Wiktionary
a. 1 Of or pertaining to the dicotyledons. 2 Having two cotyledons.
WordNet
adj. (of a flowering plant) having two cotyledons in the seed [ant: monocotyledonous]
Usage examples of "dicotyledonous".
The sheathlike cotyledons of the Gramineae circumnutate, that is, move to all sides, as plainly as do the hypocotyls or epicotyls of any dicotyledonous plants.
Circumnutation of stems: concluding remarks on--Circumnutation of stolons: aid thus afforded in winding amongst the stems of surrounding plants--Circumnutation of flowerstems--Circumnutation of Dicotyledonous leaves--Singular oscillatory movement of leaves of Dionaea--Leaves of Cannabis sink at night--Leaves of Gymnosperms--Of Monocotyledons--Cryptogams--Concluding remarks on the circumnutation of leaves.