Source : Webster's Revised Unabridged Dictionary (1913)

Utica \U"ti*ca\, a. [So called from Utica, in New York.] (Geol.)
   Of, pertaining to, or designating, a subdivision of the
   Trenton Period of the Lower Silurian, characterized in the
   State of New York by beds of shale.

Source : WordNet®

Utica
     n 1: a city in central New York
     2: an ancient city on the north coast of Africa (northwest of
        Carthage); destroyed by Arabs around 700 AD