a. [ L. aërius. 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, aërial regions or currents; the aërial maneuvers of a fighter plane. “Aërial spirits.” Milton. “Aërial voyages.” Darwin. [ 1913 Webster ]
2. Consisting of air; resembling, or partaking of the nature of air. Hence: Unsubstantial; unreal. [ 1913 Webster ]
3. Rising aloft in air; high; lofty; as, aërial spires. [ 1913 Webster ]
4. Growing, forming, living, or existing in the air, as opposed to growing or existing in earth or water, or underground; as, aërial rootlets, aërial plants; the aerial roots of a philodendron. Gray. [ 1913 Webster ]
5. Light as air; ethereal. [ 1913 Webster ]
6. operating or operated overhead especially on elevated cables. aerial conveyers for transporting raw materials [ WordNet 1.5 ]
7. operating or moving in the air. an aerial cable car; aerial combat [ WordNet 1.5 ]
Aerial acid, carbonic acid. [ Obs. ] Ure. --
Aerial perspective. See Perspective. [ 1913 Webster ]