\Smeg"ma\, n. [NL., fr. Gr. ???? soap, fr. ????? to wash
off.] (Physiol.)
The matter secreted by any of the sebaceous glands.
Specifically:
(a) The soapy substance covering the skin of newborn infants.
(b) The cheesy, sebaceous matter which collects between the
    glans penis and the foreskin.