Definition of agency. plural. agencies. 1a : the office or function of an agent (see agent 4)b : the relationship between a principal and that person's agent. 2 : the capacity, condition, or state of acting or of exerting power : operation. 3 : a person or thing through which power is exerted or an end is achieved : instrumentality communicated through the agency of the ambassador.
1 Gout is a type of arthritis that causes inflammation, usually in one joint, that begins suddenly. 2  Gouty arthritis is caused by the deposition of crystals of uric acid in a joint. 3  Gout can cause symptoms and signs such as. 4  nodules under the skin called tophi, 5  joint redness, 6  swollen joints, 7  joint pain, and.  warmth of the joint.
gout. a form of arthritis in which uric acid appears in excessive quantities in the blood and may be deposited in the joints and other tissues. During an acute attack there is swelling, inflammation, and extreme pain in a joint, frequently that of the big toe.