鉄てつ瓶びんてつびんFreq.FrequencyTop 100,000Meanings1nouniron kettle; cast-iron kettleA traditional Japanese cast-iron kettle used for boiling water, often over an open flame or brazier.鉄てつ瓶びんでお湯ゆを沸わかすと、まろやかな味あじになる。When you boil water in an iron kettle, it tastes mellow.