Ad·e·laide (ād'l-ād') A city of southern Australia northwest of Melbourne. A port of entry at the mouth of the Torrens River, it was founded in 1836. Population: 1,110,000.
fem. proper name, from Fr. Adélaide, from a Gmc. source, cf. O.H.G. Adalhaid, from adal "noble family" + heit "state, rank." The first element + Fr. fem. ending -ine gave the fem. proper name Adeline.