1) Agave family 2) Family agavaceae 3) Liliid monocot family 4) Sisal family 
the agave family of the flowering plant order Liliales, consisting of about 22 genera and at least 720 species of short-stemmed, often woody plants ... [3 related articles]
[n] - chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae)
family Agavaceae noun chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae); comprises plants that in some classifications are divided between the Amaryllidaceae and the Liliaceae