armor made of thin, flat, shaped pieces of wrought iron or steel.
any armor composed of, or having as an exterior surface, tough, stiff, flat pieces, large or small, of various materials, as iron, steel, or horn.
Origin of plate armor
First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for plate armor
The hot sun made him sweat under his plate-armor, but not for all the Solar System would he have laid it aside.The Devil's Asteroid|Manly Wade Wellman