aeromancy

His colleagues in the Royal Society were aghast and maligned his forecasts as aeromancy, or "a divination based on the properties of the air."

The ancient magic included various kinds of divination, of which the principal may here be catalogued: Aeromancy, or divination from the air.

Aeromancy, form of divination, 2284 G. Affability, virtue of, 2143 b; definition, 2421; offices of affability, 2422; sins against affability, 2423.

If these signs appear in some earthly body such as wood, iron or polished stone, it is called "geomancy," if in water "hydromancy," if in the air "aeromancy," if in fire "pyromancy," if in the entrails of animals sacrificed on the altars of demons, "aruspicy."

Aeromancy, or divining by the air.