Of or relating to the Marsi. "Marsic War" noun the Social War, 90–89 b.c., in which the Marsi played a prominent part on the side of the Italian allies against Rome.
The Marsi language; = Marsian .
Early 17th century; earliest use found in Edward Topsell (d. 1625), Church of England clergyman and author. From classical Latin Marsicus Marsian (especially in bellum Marsicum the Social War) from Marsī + -icus.