What does ABBA stand for?

What does ABBA mean?

ABBA	Agnetha Bjorn Benny Anni Community » Music
ABBA	Automated Biomass Burning Algorithm Computing » Networking
ABBA	Anybody But Boxer Again Governmental » Politics
ABBA	Agnetha/ Björn/ Benny/ Anni-Frid Community » Music
ABBA	Aid Babies Battling AIDS Community » Non-Profit Organizations
ABBA	The Art of Business; The Business of Art Community » Media
ABBA	ADC Backend For Bolometer Array Academic & Science » Astronomy
ABBA	American Born Black Afrikan Regional » African

Abba(noun): father; religious superior; -- in the Syriac, Coptic, and Ethiopic churches, a title given to the bishops, and by the bishops to the patriarch