- enlargement of the thyroid gland accompanied by exophthalmos, usually due to hyperthyroidism.
Origin of exophthalmic goiter
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Any of various forms of hyperthyroidism, such as Graves' disease, involving enlargement of the thyroid gland and protrusion of the eyeballs.