frontal suture frontal sinus • front bench · · · Info · Definitions · Synonyms · Characters · · frontal suture · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) the suture between two halves of the frontal bone (usually obliterated by the age of 6). Synonyms: frontal suture, sutura frontalis. · · Noun Definition 1 Synonyms · · · sutura frontalis · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 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 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075