Klebsiella klaxon • kleeneboc · · · Info · Definitions · Characters · · Klebsiella · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a genus of nonmotile rod-shaped Gram-negative enterobacteria; some cause respiratory and other infections. Synonyms: klebsiella. · · Noun Definition 1 Characters · · K latin capital letter k U+004B a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073