Wiktionary
n. (alternative form of playing field English)
Usage examples of "field of play".
Penthero Iss had to be told that the clanholds were no longer his field of play.
I had not realized, until too late, that I had been traversing the field of play.
The venerable Coach Mannstein had shuffled into her nursery and made his best offer, then shuffled back out to meet with press and boosters, promising the world that he would still be coaching when that delightfully young lady was calling plays for the best team to ever take any field of play.
Arthur looked in the one direction, which was towards the sight-screens, and in the other which was at the field of play.
Because more Companions and Heralds than that on the field of play at once would be disaster.
Lorn slips one way, and the oval flashes the other way, yet both Lorn and the oval meet at full speed beyond the defender as Lorn sprints inward and toward the trapezoidal frame in the middle of the circular field of play.
The field of play was a barbed-wire-and-carnage-strewn no-one's-land between the two armies' trenches, with the trenches serving as goal-lines -- first player to put the puck past the others' goal-line .