Petunia petunia • petunia axillaris · · · Info · Definitions · Synonyms · Characters · · Petunia · · Text Latin · · Script 7 · · Length 4 · · Syllables Definitions · · · (noun) any of numerous tropical herbs having fluted funnel-shaped flowers. Synonyms: petunia. · · Noun Definition 1 (noun) annual or perennial herbs or shrubs of tropical South America. Synonyms: genus Petunia. · · Noun Definition 2 Synonyms · · · genus petunia · · Synonym 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074 u latin small letter u U+0075