also: でいげーむ
noun
day game; daytime baseball game
Baseball term for a game played during the day, especially in contrast with an evening or night game.
明日のデーゲームは午後一時に始まる。
Tomorrow's day game starts at 1 p.m.
週末に球場でデーゲーム
I watched a day game at the ballpark over the weekend.