n. The network of glial cells that supports nervous system tissue.
The Century Dictionary and Cyclopedia
n. The glia-cells collectively of the central nervous system in vertebrates; neuroglia.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system
Word Usage
"This myelin sheath is, basically, electrical tape, which is one reason that myelin, along with its associated cells, was classified as glia Greek for "glue"."