boiler 2023.03.13 boilerとは 意味・定義・例文 Noun 名詞 ボイラ US /ˈbɔɪlər/ UK /ˈbɔɪlə/ 1. a big metal container that heats water and is used to provide heating and hot water in a house ボイラー The boiler bursted in the basement.