also: うおーまー
warmer
A device or container for keeping something warm, such as food, drinks, or a part of the body. Often used in compound nouns like フードウォーマー (food warmer) or レッグウォーマー (leg warmer).
On cold days, wearing leg warmers keeps you warm.
We rented a food warmer for the party.
seat warmer
bench warmer
bottle warmer
Standard katakana spelling for the English loanword 'warmer'.
Variant spelling using ウオ instead of ウォ; less common but still encountered.
Borrowed from English 'warmer'.