ジャー
Meanings
1
thermal container; thermos; rice warmer
Refers to insulated containers for keeping food or drink warm, including wide-mouthed thermoses and electric rice warmers. Often seen in compounds like 電子ジャー.
See also: 電子ジャー
I put my lunch in a thermal container and take it with me.
I keep the rice warm in an electric rice warmer so it doesn't get cold.
2
General term for a jar, often a glass or plastic container with a lid. Less common than sense 1 in everyday Japanese; 瓶 (びん) is more typical for small jars.
I store cookies in a jar.
Usage patterns
- 〈物〉をジャーに入れるto put something into a thermos/warmer jar
I put the cooked rice into the warmer to keep it warm.
- ジャーで保温するto keep something warm using a thermal jar
I kept the soup warm in the thermos.