scalenus scalenum • scalepan · · · Info · Definitions · Synonyms · Characters · · scalenus · · Text Latin · · Script 8 · · Length Definitions · · · (noun) any of four pairs of muscles extending from the cervical vertebrae to the second rib; involved in moving the neck and in breathing. Synonyms: scalene muscle, musculus scalenus. · · Noun Definition 1 Synonyms · · · scalene muscle · · Synonym 1 musculus scalenus · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075