klinefelter K line • klinefelter's syndrome · · · Info · Definitions · Characters · · klinefelter · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) United States physician who first described the XXY-syndrome (born in 1912). Synonyms: Klinefelter, Harry F. Klinefelter, Harry Fitch Kleinfelter. · · Noun Definition 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074