the plant family Agavaceae, characterized by herbaceous or woody plants having rhizomes, a basal cluster of toothed, sword-shaped leaves, and a tall, dense spike of flowers, including the agave, century plant, dracaena, sansevieria, sisal, and yucca.
chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae); comprises plants that in some classifications are divided between the Amaryllidaceae and the Liliaceae [syn: Agavaceae]