klinefelter syndrome

1 definition found

klinefelter syndrome - WordNet (r) 2.1 (2005) :

  Klinefelter syndrome
      n 1: syndrome in males that is characterized by small testes and
           long legs and enlarged breasts and reduced sperm production
           and mental retardation; a genetic defect in which an extra
           X chromosome (XXY) is present in the male [syn:
           Klinefelter's syndrome, Klinefelter syndrome, XXY- syndrome
           ]