Definition of jetteau in US English:

jetteau

noun

rare, historical
  • An ornamental jet of water emitted under pressure from a fountain or pipe.

Origin

Early 18th century; earliest use found in Joseph Addison (1672–1719), writer and politician. Alteration of jet d'eau, by association with jetto or its etymon Italian getto.

Pronunciation

jetteau

/ˈdʒɛtəʊ/