From Longman Dictionary of Contemporary EnglishJacuzziJa‧cuz‧zi /dʒəˈkuːzi/ noun [countable] trademarkDHF a large indoor bath that makes hot water move in strong currents around your body → hot tub, spa(2)
Examples from the Corpus
Jacuzzi• No Jacuzzi, no sauna, no music piped in.• In a deluxe terrace suite, you can soak up the sights from your own outdoor Jacuzzi. 