hot tub

  1. 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.

Origin of hot tub

An Americanism dating back to 1970–75
Related formshot-tub·ber, nounhot-tub·bing, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hot-tubbing

Contemporary Examples of hot-tubbing