aerostation

noun4

1. •
   (historical) Aerial navigation; the act or science of raising and guiding balloons in the air.
2. •
   (historical) A flight or expedition by hot-air balloon.

   • The balloon ascension advertised by Mr. Wise, the celebrated aeronaut of forty aerostations, took place in this borough on Saturday last. — 1850
3. •
   A floating or elevated station.

   • Seaborne aerostations could be anchored in the strong windbelts which exist in many areas of the world, for example, off the north-east part of the U.S.A. — 1976
4. •
   (no longer used, rare) The science of weighing air; aerostatics.