What does ABTA stand for?

What does ABTA mean?

ABTA	Association of British Travel Agents Business » Professional Organizations
ABTA	American Brain Tumor Association Medical » Oncology
ABTA	American Brain Tumor Association Community » Non-Profit Organizations
ABTA	Australasian Business Travel Association Business » Professional Organizations
ABTA	Absolute Background Textures Archive Academic & Science » Architecture
ABTA	American Bowlers Tournament Association Community » Sports