A centre of intellectual or industrial force, activity, etc.
An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.
Any of certain masses of gray matter in the central nervous system, as the basal ganglia.
A benign cystic tumour on a tendon sheath or joint capsule.
An entity that has such capacities.
The quality of making use or having made use of such capacities: depth of understanding, mental quickness.
Information, often secret, about an enemy or about hostile activities.
A political or military department, agency or unit designed to gather information, usually secret, about the enemy or about hostile activities.
Capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to practice; the ability to comprehend and learn.