(1):

(n.) Ensigns armorial; armorial bearings.

(2):

(n.) That branch of heraldry which treats of coat armor.

(3):

(n.) A place where arms and instruments of war are deposited for safe keeping.

(4):

(n.) A manufactory of arms, as rifles, muskets, pistols, bayonets, swords.

(5):

(n.) Armor; defensive and offensive arms.