n.
Divination by means of lines and figures or by geographic features.
[Middle English geomancie, from Medieval Latin geōmantia, from Late Greek geōmanteia, divination by signs from the earth : Greek geō-, geo- + Greek -manteia, -mancy.]
geomancer ge'o·man'cer n.geomantic ge'o·man'tic (-tĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.