(är′mər·ē) noun plural ·mor·ies
1. A place for the safekeeping of arms.
2. A building for the use of a body of militia, including general storage for arms and equipment, drill-rooms, etc.
3. U.S. A factory for making firearms.
4. Archaic Arms collectively; armor.
5. Archaic The craft or trade of the armorer. Also Brit. ar′mour·y. [Prob. <ARMOR]

(är′mər·ē) noun Archaic
1. Armorial bearings; heraldic arms.
2. Heraldry; the science of blazoning arms. [<OF armoirie <armoier blazoner <armoier blazon, publish a coat of arms]