an Afroasiatic language of Egypt descended from ancient Egyptian, largely extinct as a spoken language since the 16th century but surviving as the liturgical language of the Coptic Church.
Cop·tic (kŏp'tĭk) n. The Afro-Asiatic language of the Copts, which survives only as a liturgical language of the Coptic Church. adj. Of or relating to the Copts, the Coptic Church, or the Coptic language.