sheatfish sheat • sheath · · · Info · Definitions · Characters · · sheatfish · · Text Latin · · Script 9 · · Length Definitions · · · (noun) large elongated catfish of central and eastern Europe. Synonyms: European catfish, Silurus glanis. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074