ob

noun

1. (historical)a halfpenny
2. (archaic)an objection
3. the obese gene
4. observation
5. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of Olympic best.
6. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of outside broadcast.
7. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of outside broadcasting.
8. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of old boy (a male graduate; also a CB radio operator's term of address for a male).
9. (abbreviation, alt-of, countable, uncountable)Abbreviation 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.”

10. (abbreviation, alt-of, countable, uncountable)Abbreviation of obstetrics.
11. (abbreviation, alt-of, countable, uncountable)Abbreviation of Old Babylonian.

prep

1. (alt-of, pronunciation-spelling)Pronunciation spelling of of.

   “I'b gob a cold, ob course.”

   “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."”

name

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

symbol

1. The set of objects of a category.

adj

1. (abbreviation, alt-of, not-comparable)Abbreviation of obstetric.
2. (abbreviation, alt-of, initialism, not-comparable)Initialism of out of bounds.
3. (abbreviation, alt-of, not-comparable)Abbreviation of obligatory (as in "ob. link" on Usenet) (see ObLink at c2.com; see also ob-)
4. (abbreviation, alt-of, not-comparable)Abbreviation of Old Babylonian.