The area within which a game (especially a video game) is played.(noun)
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Use "playfield" in a sentence
"Here's a HOWTO for converting a pinball machine's light-up playfield into an electrified coffee-table; the recipe calls for a beat-up playfield from a nonfunctional pinball machine, which is cool, since it avoids the guilt associated with decommissioning a glorious old pinball machine."
"The playfield is the two-dimensional silhouette cast by the world's physical objects."
"It is also a telling message to every Indian who thinks that sports begins and ends in that quadrangle called playfield: there is definitely life after the final whistle which demands a steady flow of money."