ABBA Look up ABBA at Dictionary.com
Swedish pop music group formed 1972, the name dates from 1973 and is an acronym from the first names of the four band members: Anni-Frid Lyngstad, Björn Ulvaeus, Benny Andersson, Agnetha Fältskog.
Abba Look up Abba at Dictionary.com
title of honor, from Latin abba, from Greek abba, from Aramaic abba "the father, my father," emphatic of abh "father."