noun. Same as backpiece.

noun. A plate of cast-iron bolted against the back or outer edge of molding-boxes, for the purpose of preventing the liquid metal from forcing the sand outward and escaping from the mold: also applied to the plate used on the back of the wind-box of the Bessemer converter.

noun. A plate protecting a fighting person's back.

noun. A metal plate on the rear of a computer's casing, used to cover a port or slot.

noun. plate armor protecting the back; worn as part of a cuirass

"LG Rumor 2 packs a slide-out QWERTY keypad, QVGA display, 1.3 megapixel camera, a removable backplate and choice of Black Titanium and Blue shells."

armor plate  armor plating  armour plate  plate armor  plate armour  

Temp  aft-motion  annunciation  belaying  bipod