pes planus peso • pess · · · Info · Definitions · Synonyms · Characters · · pes planus · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a foot afflicted with a fallen arch; abnormally flattened and spread out. Synonyms: flatfoot, splayfoot, pes planus. · · Noun Definition 1 Synonyms · · · flatfoot · · Synonym 1 splayfoot · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075