class dicotyledones meaning and definition

CLASS DICOTYLEDONES noun

Definition of class Dicotyledones (noun)

1. comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
   • synonyms: class Dicotyledonae, class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida