/ Dictionary / Index P progestational: Meaning and Definition of Find definitions for: pro•ges•ta•tion•al Pronunciation: (prō"je-stā'shu-nl), [key] — adj. Med. prepared for pregnancy, as the lining of the uterus prior to menstruation or in the early stages of gestation itself; progravid. of, noting, or characteristic of the action of progesterone; inducing a progravid state. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: progestational (Thesaurus) progeria progesterone Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language