Rivina rivetlike • riving · · · Info · Definitions · Characters · · Rivina · · Text Latin · · Script 6 · · Length Definitions · · · (noun) small genus of erect perennial shrubby herbs; tropical and subtropical America. Synonyms: genus Rivina. · · Noun Definition 1 Characters · · R latin capital letter r U+0052 a latin small letter a U+0061 i latin small letter i U+0069 n latin small letter n U+006E v latin small letter v U+0076