Definitions for "dicotyledon"
A plant whose seeds divide into two seed lobes, or cotyledons, in germinating.
( dye-cottle- ee-don) [Gk. di, double, two + kotyledon, a cup-shaped hollow] A member of the class of flowering plants having two seed leaves, or cotyledons, among other distinguishing features; often abbreviated as dicot.
A plant with two cotyledons or seed leaves, netted leaf venation, and branched tap roots. Floral parts occur in groups of 4 or 5.