Source : Webster's Revised Unabridged Dictionary (1913)

Magnoliaceous \Mag*no`li*a"ceous\, a. (Bot.)
   Pertaining to a natural order ({Magnoliace[ae]}) of trees of
   which the magnolia, the tulip tree, and the star anise are
   examples.

Source : WordNet®

Magnoliaceae
     n : subclass Magnoliidae: genera Liriodendron; Magnolia;
         Manglietia [syn: {family Magnoliaceae}, {magnolia family}]