Definition of water plate in US English:

water plate

noun

  • 1A plate or dish for holding water. rare.

  • 2A warming plate for food, incorporating a reservoir for hot water. Now historical.

Origin

Late 16th century; earliest use found in John Rolland (fl. 1528–1580), poet. From water + plate.

Pronunciation

water plate

/ˈwɔːtə pleɪt/