Definition of dial plate in US English:

dial plate

noun

  • 1The faceplate of a dial, especially that of a clock, watch, or sundial, on which the hours are marked.

  • 2Engineering. A graduated plate constituting a dial.

Origin

Mid 17th century; earliest use found in Samuel Foster (?1600–1652), mathematician. From dial + plate.

Pronunciation

dial plate

/ˈdʌɪəl pleɪt/