Huronian
Pronunciation : Hu*ro"ni*an
Part of Speech : a.
Etymology : [Named from Lake Huron.] (Geol.)
Definition : Defn: 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 Arch?an age.
Source : Webster's Unabridged Dictionary, 1913