ball1 2022.12.06 ballとは 意味・定義・例文 Noun 名詞 1. a round thing used in many games and sports ボール The ball bounced over the fence. 2. any round thing 球状のもの a ball of wool 3. a game played with a ball 球技 Let's play ball after school. ball2 Noun 名詞 1. a large formal party at which people dance 舞踏会 a fancy[masked] ball