hypospadias hy·po·spa·di·as (hī'pō-spā'dē-əs) or hy·po·spa·di·a (-dē-ə)
n.
A developmental anomaly of the urethra in which a part of the urethral canal is open on the undersurface of the penis or on the perineum.
A similar anomaly in which the urethra opens into the vagina.