the GNU version of the Collaborative International Dictionary of English
adj. Of or pertaining to certain non-fossiliferous rocks on the borders of Lake Huron, which are supposed to correspond in time to the latter part of the Archæan age.
The Century Dictionary and Cyclopedia
Of or pertaining to Lake Huron, the central one of the chain of great lakes between the United States and British America.
Word Usage
"huronian 14 February 2011 12:43AM sitelab 14 February 2011 12:44AM"