Ob¹ Definition
Ob (ōb; Russ ō̂b′y')
river in W Siberia, flowing from the Altai Mountains northwest & north into the Gulf of Ob: 2,495 mi (4,015 km)
arm of the Kara Sea, in NW Siberia: c. 600 mi (966 km) long
Ob² Definition
Ob
Bible Obadiah
OB Definition
OB
- obstetrician
- obstetrics

