| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
goiter goi·ter (goi'tər)
n.
A noncancerous enlargement of the thyroid gland, visible as a swelling at the front of the neck, that is often associated with iodine deficiency.
| goiter (goi'tər) Pronunciation Key
An enlarged thyroid gland, visible as a swelling at the front of the neck. It is often associated with thyroid disease, especially in areas of the world outside of North America where iodine deficiency is endemic. |