Source : Webster's Revised Unabridged Dictionary (1913)

Aerial \A*["e]"ri*al\, a. [L. a["e]rius. See {Air}.]
   1. Of or pertaining to the air, or atmosphere; inhabiting or
      frequenting the air; produced by or found in the air;
      performed in the air; as, a["e]rial regions or currents.
      ``A["e]rial spirits.'' --Milton. ``A["e]rial voyages.''
      --Darwin.

   2. Consisting of air; resembling, or partaking of the nature
      of air. Hence: Unsubstantial; unreal.

   3. Rising aloft in air; high; lofty; as, a["e]rial spires.

   4. Growing, forming, or existing in the air, as opposed to
      growing or existing in earth or water, or underground; as,
      a["e]rial rootlets, a["e]rial plants. --Gray.

   5. Light as air; ethereal.

   {A["e]rial acid}, carbonic acid. [Obs.] --Ure.

   {A["e]rial perspective}. See {Perspective}.