/ Dictionary / Index G goiter: Meaning and Definition of Find definitions for: goi•ter Pronunciation: (goi'tur), [key] — n. Pathol. an enlargement of the thyroid gland on the front and sides of the neck, usually symptomatic of abnormal thyroid secretion, esp. hypothyroidism due to a lack of iodine in the diet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: goiter (Thesaurus) going train goitrogen Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language