Definition of "ganglion" in English

noun

1. An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.

2. Any of certain masses of gray matter in the central nervous system, as the basal ganglia.

3. (transferred sense) A centre of intellectual or industrial force, activity, etc.

4. (pathology) A benign cystic tumour on a tendon sheath or joint capsule.