ARGUMENTATION n.
se in discussion; the operation of inferring propositions, not known or admitted as true, from facts or principles known, admitted, or proved to be true. Which manner of argumentation, how false and naught it is, . . . every man that hath with perceiveth. Tyndale.
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.…