neckar neck • neckatee · · · Info · Definitions · Characters · · neckar · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a river in Germany; rises in the Black Forest and flows north into the Rhine. Synonyms: Neckar, Neckar River. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072