jena Jemmy • je ne sais quoi · · · Info · Definitions · Characters · · jena · · Text Latin · · Script 4 · · Length 2 · · Syllables Definitions · · · (noun) the battle in 1806 in which Napoleon decisively defeated the Prussians. Synonyms: Jena, Battle of Jena. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 j latin small letter j U+006A n latin small letter n U+006E