ob

plural obs

1. historicala halfpenny

1. pronunciation spellingchiefly African-American Vernacular or humorousPronunciation spelling of of.

   I'b gob a cold, ob course.

   1 more example

   Officer.—"What is the numerical strength of the enemy in our front?" Intelligent Contraband.—"Eh, Massa?" O.—"How many men has the Confederate General Blank?" I. C.—"'Bout forty-leben thousan', Massa." O.—"Don't you mean about four thousand?" I. C.—"Yes, Massa; dar's 'bout four hundred ob 'em."

   1885 March 18, "W.", "A War Article", Puck, Vol. XVII, No. 419, p. 45

plural obs

1. archaican objection
2. biologythe obese gene
3. climatologyobservation

1. A river in Russia; the westernmost of the three great Siberian rivers.

1. category theoryThe set of objects of a category.

plural OBs

1. abbreviationcountableinitialismuncountablehobbiesInitialism of Olympic best.
2. abbreviationcountableinitialismuncountablebroadcastingInitialism of outside broadcast.
3. abbreviationcountableinitialismuncountablebroadcastingInitialism of outside broadcasting.
4. abbreviationcountableinitialismuncountableInitialism of old boy (a male graduate; also a CB radio operator's term of address for a male).
5. abbreviationcountableuncountableAbbreviation of obstetrician.

   One woman in ten is at risk — yet one-third of all women over 50 have never had a mammo! By making Pap tests routine, OBs and GYNs have saved many lives.

   1989, Contemporary Obstetrics-gynecology, volume 33, page 200

6. abbreviationcountableuncountableAbbreviation of obstetrics.
7. abbreviationcountableuncountableAbbreviation of Old Babylonian.

1. abbreviationnot comparableAbbreviation of obstetric.
2. abbreviationinitialismnot comparablegolfInitialism of out of bounds.
3. abbreviationnot comparableAbbreviation of obligatory (as in "ob. link" on Usenet) (see ObLink at c2.com; see also ob-)
4. abbreviationnot comparableAbbreviation of Old Babylonian.