A`ër*os*ta"tion (?), n. [Cf. F.
aérostation the art of using aërostats.]
1. Aërial navigation; the art of raising and
guiding balloons in the air.
2. The science of weighing air;
aërostatics. [Obs.]
A`ër*o*sta"tion (?), n. That
part of aëronautics that deals with passive balloons.