A Quick and Simple Dictionary

o

1. Letter.  (Latn-def, en) .
2. (abbreviation) .  (cricket) The number of overs bowled.
3. Noun.  A blood type that lacks A or B antigens and may only receive transfusions of similar type O blood, but may donate to all (neglecting Rh factor). Synonym: universal donor.
4. Noun.  (printing) American Library Association (non-gloss definition, {{abbreviation) of octavo, a book size (20-25 cm).}}.
5. Noun.  (soccer) Someone associated with Leyton Orient Football Club, as a player, coach, supporter etc.
6. Number.  (Latn-def, en) .
7. Particle.  (grammar) (non-gloss definition, The English vocative particle (always in upper case), used for direct address in translations from languages which have the vocative case.) .
8. Interjection.  (non-gloss definition, Expression of earnestness or reverence, used before the name of a deity or revered person in impassioned speech.) .
9. Letter.  (Latn-def, en) .
10. Number.  (Latn-def, en) .
11. Noun.  (Latn-def, en) .
12. Noun.  A zero (qualifier, used in reading out numbers) .
13. Interjection.  (archaic) (always capitalized) The English vocative particle, used before a pronoun or the name of a person or persons to mark direct address.
14. Interjection.  Variant of oh.
15. (abbreviation) .  (IRC) Operator.
16. (abbreviation) .  Object, see SVO.
17. (abbreviation) .  Over.