Webster's Revised Unabridged Dictionary · 1913

Meninges

Meninges (me*nin"jēz) , noun, plural

[New Latin, from Greek mh^nigx, mh^niggos, a membrane.]

(Anatomy) The three membranes that envelop the brain and spinal cord; the pia mater, dura mater, and arachnoid membrane.