KO
[
n.
key
-
oh
,
key
-oh;
v.
key
-
oh
]
/
n.
ˈkeɪˈoʊ, ˈkeɪˌoʊ;
v.
ˈkeɪˈoʊ/
noun
,
plural
KO's.
1.
a knockout in boxing.
verb (used with object)
,
KO'd,
KO'ing.
2.
to knock unconscious, especially in a boxing match; knock out.
Also,
K.O.
k.o.
kayo
.
Origin
1920-25;
initial letters of
knock out
British Dictionary definitions for
KO
kayo
/
ˈkeɪˈəʊ
/
noun
(
pl
)
kayos
1.
(
boxing
)
another term for
knockout
verb
kayoes,
kayos,
kayoing,
kayoed
2.
(
boxing
) another term for
knock out
See
knockout
Word Origin
C20: from the initial letters of
knock out
KO
/
ˈkeɪˈəʊ
/
verb
KO's,
KO'ing,
KO'd,
k.o.'s,
k.o.'ing,
k.o.'d
1.
a slang term for
knock out
See
knockout
noun
(
pl
)
KO's,
k.o.'s
2.
a slang term for
knockout
Slang definitions & phrases for
KO
KO
modifier
: aKO punch
noun
A knockout;
kayo
(1922+ Prizefight)
verb
: He KOed six in a row
Related Terms
tko
Related Abbreviations for
KO
ko
Korean
KO
Coca-Cola Co.
knockout