まほうびん· also マホービン
thermos bottle; vacuum flask
Common word Also written 魔法びん
Noun
ううん、由美ちゃんが魔法瓶まほうびんに入いれて、部室ぶしつに持もって来きてくれたの。
No, Yumi put it in a thermos flask and brought it into the club room.
寒さむい時期じきにあったかい飲物のみものが欲ほしい時ときにはこういった魔法瓶まほうびんがお薦すすめ。
In the cold season when you want to drink something hot I recommend this sort of thermos flask.