rare0. [ad. med.L. chaomantia, f. Gr. χάος CHAOS, in Paracelsian language = the atmosphere + μαντεία divination.]
1656. Blount, Glossogr., Chaomancy, a kind of divination by the air.
[1753. Chambers, Cycl. Supp., Chaomantia, amongst the enthusiastical chymists, is the art of making presages from observations on the air.]
1775. in Ash, etc.