'Bilingual' definitions:

Definition of 'bilingual'

From: WordNet
adjective
Using or knowing two languages; "bilingual education"
noun
A person who speaks two languages fluently [syn: bilingual, bilingualist]

Definition of 'Bilingual'

From: GCIDE
  • Bilingual \Bi*lin"gual\, 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]