ARMOR n.
Steel or iron covering, whether of ships or forts, protecting them from the fire of artillery. Coat armor, the escutcheon of a person or family, with its several charges and other furniture, as mantling, crest, supporters, motto, etc. -- Submarine, a water-tight dress or covering for a diver. See under Submarine.…
ARSENIC n.
physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356º Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulph…
AUTHORITY n.
The power derived from opinion, respect, or esteem; influence of character, office, or station, or mental or moral superiority, and the like; claim to be believed or obeyed; as, an historian of no authority; a magistrate of great authority.
AX; AXE n.
A tool or instrument of steel, or of iron with a steel edge or blade, for felling trees, chopping and splitting wood, hewing timber, etc. It is wielded by a wooden helve or handle, so fixed in a socket or eye as to be in the same plane with the blade. The broadax, or carpenter's ax, is an ax for hewing timber, made hea…