merrimac
Originally, wooden ships were "plated" (covered) with metal, usually iron.
Ironclad
merrimac
the Virginia it was a large ship covered in well iron(betcha didn't see the one coming
The revolving turret was protected by 8 in. of iron armor. The sides were covered by iron plates from 3 to 5 in. thick, with about 27 in. of wood backing, and the deck, only 18 in. above water, was shielded with 1-in. armor.
iron clads are war ships reinforced with iron plates
Boats covered in iron are commonly referred to as ironclads.
Luckily for the South the iron plates needed to fit the new CSS Virginia into an ironclad were fairly close to the Norfolk navy base. The plates were manufactured by the Tredegar Iron works in Richmond, Virginia.
Wooden vessels plated with iron; there were fleets of them...not just one.
Ironclad
plates iron Regards
Mild Steel