logan stone or loggan stone [log-uh n] WORD ORIGIN noun rocking stone. Liberaldictionary.com
Origin of logan stone First recorded in 1750–60; variant of logging stone loggan stone or logan stone [log-uh n] noun rocking stone. Origin of loggan stone variant of logging stone Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019