Definify.com
Webster 1913 Edition
dicotyledon
di-cotˊy-le′don
(dī̍-kŏtˊĭ-lē′dŭn)
, Noun.
[Pref.
di-
+ cotyledon
.] (Bot.)
A plant whose seeds divide into two seed lobes, or cotyledons, in germinating.
Syn. – dicot, dicotyl.
Webster 1828 Edition
Dicotyledon
DICOTYLEDON
,Noun.