pl. -·mata or -·mas
a tumor of the brain, spinal cord, etc., composed of tissue that normally forms the supporting structure of nerves
Origin of gliomaModern Latin ; from Medieval Greek glia (see gliadin) + -?ma (see -oma)
nounpl. gli·o·mas or gli·o·ma·ta
A tumor originating in the neuroglia of the brain or spinal cord.
Origin of gliomagli(a) + –oma.