Definition of acidulae in English:

acidulae

noun

rare
  • Treated as plural. Springs of cold, sour-tasting mineral waters.

Origin

Late 17th century; earliest use found in Edward Browne (1644–1708), physician and traveller. From classical Latin Acidulae, plural of Acidula, name of a spring near Teanum Sidicinum (modern Teano) in northern Campania in Italy (Pliny), use as name (short for aqua acidula sour water) of feminine of acidulus slightly sour.

Pronunciation:

acidulae

/əˈsɪdʒʊliː//əˈsɪdjʊliː/