The Collaborative International Dictionary
Hydromantic
Hydromantic \Hy`dro*man"tic\, a. [Cf. F. hydromantique.] Of or pertaining to divination by water.
Wiktionary
hydromantic
a. Of or pertaining to hydromancy.
Usage examples of "hydromantic".
If Xerlanthor could heat the air sufficiently the water-warriors would evaporate, pass out of the Magus’ hydromantic control.