[ bak-pleyt ]
/ ˈbækˌpleɪt /


Building Trades. a wood or metal plate serving as a backing for a structural member.
Armor. a piece of plate armor for protecting the back: worn as part of a cuirass.

Origin of backplate

First recorded in 1650–60; back1 + plate1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for backplate

  • That princes monogram, the Conde points out, is to be seen on the backplate gilded in relief.

    Spanish Arms and Armour|Albert F. Calvert
  • The backplate, which is only three millimetres thick, has been perforated by the bullet.

    Spanish Arms and Armour|Albert F. Calvert
  • Stel Felso Theu took the backplate of the control cabinet off, and the terrestrians looked at the control with interest.

    Invaders from the Infinite|John Wood Campbell
  • According to the Emperors inventory, the backplate, which does not exist, bore the image of St. Barbara.

    Spanish Arms and Armour|Albert F. Calvert