armoire UK /ɑːmˈwɑː/US /ɑɹmˈwɑɹ/ noun1 •A type of cupboard, cabinet, or wardrobe, originally used for storing weapons.Downing the drink in a single gulp, I move over to the Anatolian white-oak armoire where I keep a brand-new nail gun I bought last week at a hardware store near my office in Wall Street. — 1991 formsarmoires