grey matter
noun
the greyish tissue of the brain and spinal cord, containing nerve cell bodies, dendrites, and bare (unmyelinated) axons
Technical name: substantia grisea Compare white matter
informal
brains or intellect
Words nearby grey matter
grey gum,
grey heron,
grey import,
grey knight,
grey market,
grey matter,
grey mullet,
grey nomad,
grey nurse shark,
grey owl,
grey panther