round arch round angle • round-arched · · · Info · Definitions · Characters · · round arch · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) an arch formed in a continuous curve; characteristic of Roman architecture. Synonyms: round arch. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075