- (rare) Divination by means of laughter.
2010, Bart King, Bart's King Sized Book of Fun, page 140:
- Long ago, followers of geloscopy believed the word you used to laugh revealed part of your personality! People who said “Ha!” when they laughed were considered to be honest but undependable […]
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.