Definition of dog plate in US English:

dog plate

noun

  • Engineering and Mechanics. A metal plate with dogs for holding something in place; (in a lathe) a circular plate with radial slots into which the arm of a lathe dog will fit.

Origin

Late 17th century (in an earlier sense). From dog + plate.

Pronunciation

dog plate

/ˈdɒɡ ˌpleɪt/