The development of literacy skills in two languages.
Literacy that has been developed well in two languages (see definition of Literacy).
literate in two languages (see also literacy, bilingual proficiency).
Having the knowledge and skill to read and write in one's home language and in a second language.
Biliteracy is the state of being literate in two or more languages. To be biliterate has a stronger and more specified connotation than the claim of being simply bilingual. This is because with the change of the term from 'lingual' to 'literate' and the concept of reading and writing, which are in addition to simply speaking.