| liliidae | (n) one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae, Syn. subclass Liliidae |
| Liliidae | prop. n. one of four subclasses or superorders of Monocotyledones; it comprises 17 families including: |