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Definition of backplate

backplate

/ˈbæk.pleɪt/
back · plate
Plural:backplates
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backplate Lexical Profile

backplate Game Scores & Validity

• noun

1

A flat piece of metal, plastic, or other rigid material placed behind a fixture, hardware handle, or electronic component to provide structural support, mounting stability, or protection.

Example

"The technician installed a metal backplate on the graphics card to prevent the heavy circuit board from sagging."

2

A piece of armor worn to protect the back of the torso, often paired with a breastplate to form a complete cuirass.

Example

"The museum display featured a polished sixteenth-century steel backplate alongside its matching breastplate."

3

In scuba diving, a rigid metal or composite plate worn on the diver's back to which webbing harnesses and buoyancy cylinders are attached.

Example

"Many technical divers prefer a stainless steel backplate and wing configuration for its durability and streamlined profile underwater."

Antonyms
View all antonyms for backplate

• Nearby Words

backpacking
backpaddle
backpedal
backplate
backrest
backroom
backrow

Cite this Entry

Wordmom. (2026). Definition of Backplate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/backplate
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