(1):

(a.) Belonging to war, or to an army and navy; - opposed to civil; as, martial law; a court-martial.

(2):

(a.) Practiced in, or inclined to, war; warlike; brave.

(3):

(a.) Pertaining to, or resembling, the god, or the planet, Mars.

(4):

(a.) Of, pertaining to, or suited for, war; military; as, martial music; a martial appearance.

(5):

(a.) Pertaining to, or containing, iron; chalybeate; as, martial preparations.