Meaning of blue plate

blue' plate"

Pronunciation: [key]
  1. a plate, often decorated with a blue willow pattern, divided by ridges into sections for holding apart several kinds of food.
  2. Also calleda specially priced main course, as of meat and vegetables, listed as an item on a menu, esp. in an inexpensive restaurant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.