playfield

noun

1. A playing field.

   “The position of the playfield is here identified as lying north of this open space between it and the burn, and occupying the haugh which extended west […]”

   “It has been recommended by some recreational specialists that there should be one such playfield for each 500 children of high school age.”

2. The on-screen area within which a game (especially a video game) is played.

   “The game has a tilt feature — tilt Fireball and a tilt sign glows and the scoring stops. The full-sized, full-color commercial playfield even has a special friction silk-screened surface so the ball will roll and not slide.”

   “In this case, the playfield is more disorienting and feels more like the maze that it is.”

3. The main surface inside the machine where the ball moves and the game takes place.