\Lil`i*a"ceous\ (l[i^]l`[i^]*[=a]"sh[u^]s), a. [L.
liliaceus, fr. lilium lily. See {Lily}.] (Bot.)
(a) Of or pertaining to a natural order of which the lily,
    tulip, and hyacinth are well-known examples.
(b) Like the blossom of a lily in general form.