cftr cfo • cgi · · · Info · Definitions · Synonyms · Characters · · cftr · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) the gene that is mutated in cystic fibrosis. Synonyms: cystic fibrosis transport regulator, CFTR. · · Noun Definition 1 Synonyms · · · cystic fibrosis transport regulator · · Synonym 1 Characters · · c latin small letter c U+0063 f latin small letter f U+0066 r latin small letter r U+0072 t latin small letter t U+0074