1) Having two cotyledons 
• (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant.
Di·cot`y·le'don·ous (-lĕd'ŭn*ŭs) adjective (Botany) Having two cotyledons or seed lobes; as, a dicotyledonous plant. 
With two cotyledons.
[adj] - (of a flowering plant) having two cotyledons in the seed
dicotyledon, dicotyledonous A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination and whose subsequent leaves have a network of veins. Most herbaceous plants, trees, and bushes are dicotyledons.
adjective (of a flowering plant) having two cotyledons in the seed
belonging or pertaining to the Dicotyledoneae; having two cotyledons.