noun
Refers to the bathtub itself, often in the context of a Japanese-style bath. Commonly used in phrases like 湯船につかる (soak in the bathtub).
湯船にお湯をためる。
I fill the bathtub with hot water.
疲れたので、ゆっくり湯船につかりたい。
I'm tired, so I want to soak in the bathtub for a while.
noun
rental boat with a bathtub (Edo period)
Historical term for a boat equipped with a bathtub that was rented to customers during the Edo period. Not used in modern Japanese outside historical contexts.
江戸時代には、湯船と呼ばれる貸し舟があった。
In the Edo period, there were rental boats called yubune.
Search-only mixed kana-kanji form; not a standard spelling.
Compound of 湯 (yu, 'hot water') and 船 (fune/bune, 'boat'). Originally referred to a boat-shaped wooden tub used for bathing, which later extended to bathtubs in general. The historical sense directly reflects the original meaning.