-avia-

a. Of or instrument to birds. [ 1913 Webster ]

v. 1. to modify microorganisms by repeated culture in the developing chick embryo. [ WordNet 1.5 ]

n.; pl. Aviaries [ L. aviarium, fr. aviarius pertaining to birds, fr. avis bird, akin to Gr, &unr_;, Skr. vi. ] A house, inclosure, large cage, or other place, for keeping birds confined; a bird house. [ 1913 Webster ]

Lincolnshire may be termed the aviary of England. Fuller. [ 1913 Webster ]

v. i. [ imp. & p. p. Aviated p. pr. & vb. n. Aviating. ] To fly, or navigate the air, in an aëroplane or heavier-than-air flying machine. [ Colloq. ] [ Webster 1913 Suppl. ]

v. t. & i. 1. fly an airplane.
Syn. -- fly, pilot. [ WordNet 1.5 ]

n. The art or science of flying. [ 1913 Webster ]

n. 1. An experimenter in aviation. [ 1913 Webster ]

2. A flying machine. [ archaic ] [ 1913 Webster ]

3. The driver or pilot of an aircraft, especially of an airplane. [ Webster 1913 Suppl. ]