jet d'eau
noun/ʒeɪ ˈdoʊ/
Etymology Unadapted borrowing from French jet d'eau (literally “jet of water”).
1
Archaic A stream of water spouting from a fountain or pipe (especially from one arranged to throw water upward), used as an ornament in a garden or public place.
2
Archaic The fountain or pipe from which such a stream issues.