'subclass Liliidae' definitions:

Definition of 'subclass Liliidae'

From: WordNet
noun
One of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae [syn: Liliidae, subclass Liliidae]