1. Noun. (plural of ganglion) -- clusters of nerves ¹
¹ Source: wiktionary.com
1. ganglion [n] - See also: ganglion
1. A mass of nerve tissue (grey matter) or a group of nerve cell bodies. Also refers to specific groups within the brain or spinal cord (as basal ganglia). Ganglion is the singular of ganglia. (16 Dec 1997)