external organ external oblique muscle • external orifice · · · Info · Definitions · Characters · · external organ · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) an organ that is situated on or near the surface of the body. Synonyms: external organ. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078