a. [ L. bilinguis; bis twice + lingua tongue, language. ] Containing, or consisting of, two languages; expressed in two languages; as, a bilingual inscription; a bilingual dictionary. -- Bi*lin"gual*ly, adv. [1913 Webster]
n. Quality of being bilingual. [ 1913 Webster ]
The bilingualism of King's English. Earle. [ 1913 Webster ]