/poh"lee oh en sef'euh luy"tis/ , n. Pathol.
1. a disease characterized by inflammation of the gray matter of the brain.
2. poliomyelitis affecting the cerebrum.
Also, poliencephalitis /poh'lee en sef'euh luy"tis/ .
[ 1880-85; polió ( s ) gray + NL encephalitis ENCEPHALITIS ]