(chiefly US) A large tub, often situated outdoors, filled with hot water and used for communal leisure bathing.

To relax in a hot tub.

past participle of hot-tub

present participle of hot-tub

plural of hot tub

Third-person singular simple present indicative form of hot-tub

A device in some early internal combustion engines that ignited the fuel/air mixture in a tube heated by a flame

A person who uses a hot tub

Alternative form of hot tubber