Search Result for "meningocele": 
Wordnet 3.0

NOUN (1)

1. a congenital anomaly of the central nervous system in which a sac protruding from the brain or the spinal meninges contains cerebrospinal fluid (but no nerve tissue); 



WordNet (r) 3.0 (2006):

meningocele
    n 1: a congenital anomaly of the central nervous system in which
         a sac protruding from the brain or the spinal meninges
         contains cerebrospinal fluid (but no nerve tissue)