/ Dictionary / Index O obstetrics: Meaning and Definition of Find definitions for: ob•stet•rics Pronunciation: (ub-ste'triks), [key] — n. (used with a sing. v.) the branch of medical science concerned with childbirth and caring for and treating women in or in connection with childbirth. Abbr.: OB, ob Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obstetrics (Thesaurus) obstetrician obstinacy Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language