an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s
"The historical documentary detailed how the abb operated as a clandestine urban strike force against government forces during the turbulent years of the Philippine revolution."
A type of yarn for the warp.
"The weaver carefully wound the abb thread onto the beam to create a strong foundation for the fabric's vertical threads."
The word "abb" comes from the Old English term āweb, which combined the words for "away" and "warp thread." Originally, it referred to a warp thread that had been removed or taken away.