hot tub

[hot tuhb]

noun

1. a large tub, usually designed to accommodate several people, that is filled with hot aerated water and often equipped with a thermostat and whirlpool: used for relaxation or physical therapy and often placed out-of-doors, as on a deck or porch.

Other Word Forms

• hot-tubber noun
• hot-tubbing noun

Word History and Origins

Origin of hot tub¹

An Americanism dating back to 1970–75