WordReference Random House Learner's Dictionary of American English © 2025
ˈhot ˌtub, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a wooden tub, usually big enough to hold several persons, filled with hot water and often equipped with a whirlpool.
hot′ tub′,
hot′-tub′ber, n.
hot′-tub′bing, n.
- a wooden tub, usually large enough to accommodate several persons, that is filled with hot aerated water and often equipped with a thermostat and whirlpool: used for recreation or physical therapy and often placed out of doors, as on a porch.
- 1970–75, American.
hot′-tub′bing, n.
'hot tub' also found in these entries (note: many are not synonyms or translations):