/ Dictionary / Index P parathyroid extract: Meaning and Definition of Find definitions for: par'athy'roid ex"tract Pronunciation: [key] — Pharm. Pharm. an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parathyroidectomy parathyroid gland Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language