Noun | 1. | ![]() dilleniid dicot family - family of more or less advanced dicotyledonous trees and shrubs and herbs Hypericales, order Hypericales, order Parietales, Parietales - a large order of dicotyledonous plants of subclass Dilleniidae genus Reseda - Old World genus of herbs having racemose flowers: mignonette; dyer's rocket |