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definitions
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backplate

[bak-pleyt]
noun
  1. Building Trades. a wood or metal plate serving as a backing for a structural member.
  2. Armor. a piece of plate armor for protecting the back: worn as part of a cuirass.
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Origin of backplate

First recorded in 1650–60; back1 + plate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for backplate

Historical Examples

  • 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

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

    Spanish Arms and Armour

    Albert F. Calvert