ABB n 1: an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s [syn: {Alex Boncayao Brigade}, {ABB}, {Revolutionary Proletarian Army}, {RPA-ABB}]
Abb \Abb\ ([a^]b), n. [AS. [=a]web, [=a]b; pref. a- + web. See {Web}.] Among weavers, yarn for the warp. Hence, {abb wool} is wool for the abb. [1913 Webster]