o , O
n pl , o's, O's, Os
1 the 15th letter and fourth vowel of the modern English alphabet
2 any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form
3 another name for →
nought
A/O , a/o (Accounting, etc.)
abbrev. for account of
back o' Bourke
adv (Austral) in a remote or backward place
(from Bourke, a town in New South Wales)
b.o.
abbrev. for
B/O
abbrev. for
1 (Book-keeping) brought over
bottle-o , bottle-oh
n (Austral. and N.Z. history, informal) a dealer in empty bottles
cat-o'-mountain
n another name for →
catamount
cat-o'-nine-tails
n pl , -tails a rope whip consisting of nine knotted thongs, used formerly to flog prisoners, (Often shortened to)
cat
c/o
abbrev. for
2 (Book-keeping) carried over
c.o.s. , COS
abbrev. for cash on shipment
c.w.o. , CWO
abbrev. for cash with order
D/O , d.o. (Commerce)
abbrev. for delivery order
e.o.
abbrev. for ex officio
e.o.m. (Commerce)
abbrev. for end of the month
five-o'clock shadow
n beard growth visible late in the day on a man's shaven face
f.o.b. , FOB (Commerce)
abbrev. for free on board
f.o.r. , FOR (Commerce)
abbrev. for free on rail
four-o'clock
n
1 (Also called)
marvel-of-Peru a tropical American nyctaginaceous plant, Mirabilis jalapa, cultivated for its tubular yellow, red, or white flowers that open in late afternoon
2 an Austral. name for →
friarbird esp. the noisy friarbird (Philemon corniculatus): so called because of its cry esp. the noisy friarbird (Philemon corniculatus): so called because of its cry
I/O
abbrev. for input/output
jack-o'-lantern
n
1 a lantern made from a hollowed pumpkin, which has holes cut in it to represent a human face
2 a will-o'-the-wisp or similar phenomenon
Jell-o
n Trademark (in U.S. and Canada) jelly
John o'Groats
n a village at the northeasternmost tip of the Scottish mainland: considered to be the northernmost point of the mainland of Great Britain although Dunnet Head, slightly to the west, lies further north
See also →
Land's End
m.o. , MO
abbrev. for
n.o. (Cricket)
abbrev. for not out
O [1]
symbol for
2 a human blood type of the ABO group
See →
universal donor
3 (Logic) a particular negative categorial proposition, such as some men are not married: often symbolized as SoP
Compare →
A →
E →
I 2
(from Latin (neg)o I deny)
O [2]
interj
1 a variant spelling of →
oh
2 an exclamation introducing an invocation, entreaty, wish, etc.
O God!, O for the wings of a dove!