Taconic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Taconic \Ta*con"ic\, a. (Geol.)
     Designating, or pertaining to, the series of rocks forming
     the Taconic mountains in Western New England. They were once
     supposed to be older than the Cambrian, but later proved to
     belong to the Lower Silurian and Cambrian.
     [1913 Webster]