(1):

(a.) Of or relating to one of the ancient Greek musical modes or keys. Its character was adapted both to religions occasions and to war.

(2):

(n.) The Doric dialect.

(3):

(a.) Belonging to, or resembling, the oldest and simplest of the three orders of architecture used by the Greeks, but ranked as second of the five orders adopted by the Romans. See Abacus, Capital, Order.

(4):

(a.) Pertaining to Doris, in ancient Greece, or to the Dorians; as, the Doric dialect.