. Anatomy. | the three membranes covering the brain and spinal cord. Compare arachnoid (def. 6), dura mater, pia mater. |
meninx me·ninx (mē'nĭngks)
n. pl. me·nin·ges (mə-nĭn'jēz)
A membrane, especially one of the three membranes enclosing the brain and spinal cord.
| meninges (mə-nĭn'jēz) Pronunciation Key
The three membranes that enclose the vertebrate brain and spinal cord: the pia mater, arachnoid, and dura mater. |