Definition of ob

 (Entry 1 of 4)

1 [Latin obiit] he died; she died
2 observation
variants: or Obad

Definition of Ob (Entry 2 of 4)

Obadiah

Definition of OB (Entry 3 of 4)

obstetric; obstetrician; obstetrics

ob-

prefix

Definition of ob- (Entry 4 of 4)

: inversely obovate

History and Etymology for ob

Prefix

New Latin, from Latin, in the way, against, toward, from ob in the way of, on account of; akin to Old Church Slavonic o, ob on, around

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Cite this Entry

“Ob.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ob. Accessed 18 Oct. 2021.

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OB

abbreviation

Medical Definition of OB

1 obstetric
2 obstetrician
3 obstetrics

More from Merriam-Webster on ob

Britannica.com: Encyclopedia article about ob

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