1. [ noun ] (medicine,obstetrics) the branch of medicine dealing with childbirth and care of the mother
Synonyms: tocology midwifery obstetrics
Related terms: medicine fetology perinatology nullipara quadripara presentation para para_i primigravida quintipara incompetent_cervix induction_of_labor
2. [ noun ] (geography) a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
Synonyms: Ob_River
Related terms: river Siberia
Similar spelling:   obi