Synonyms for Klinefelter's Syndrome (same or very similar meaning)
WordNet sense 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):
XXY-syndrome, Klinefelter syndromeFrom the ODE community, based on WordNetadd/edit