Source : Webster's Revised Unabridged Dictionary (1913)

Aerophyte \A"["e]r*o*phyte\, n. [A["e]ro- + Gr. ? plant, ? to
   grow: cf. F. a['e]rophyte.] (Bot.)
   A plant growing entirely in the air, and receiving its
   nourishment from it; an air plant or epiphyte.

Source : WordNet®

aerophyte
     n : plant that derives moisture and nutrients from the air and
         rain; usually grows on another plant but not parasitic on
         it [syn: {air plant}, {epiphyte}, {epiphytic plant}]