or armor plating
- a plate or plating of specially hardened steel used to cover warships, tanks, aircraft, fortifications, etc., to protect them from enemy fire.
Origin of armor plate
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for armor plate
Four large battleships were taken and razed and covered with armor-plate.The Submarine in War and Peace
In its race with armor-plate, the gun has thus far been the winner.
Of course, the character of armor-plate has been vastly improved since that time.
You'll find that hereafter we've got a cook, and not an incendiary nor a forger of armor-plate.The Booming of Acre Hill
John Kendrick Bangs
I told him that I loved it, and to go to bed, for I wanted to get out of some of my armor-plate.The Prairie Wife