Definition of ab
:an abdominal muscle
—usually used in plural
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First Known Use of ab
1956
Ab
play
noun
\
ˈäb
,
ˈäv
,
ˈȯv
\
Definition of Ab
:the 11th month of the civil year or the 5th month of the ecclesiastical year in the Jewish calendar — see Months of the Principal Calendars Table
Origin and Etymology of ab
Definition of AB
:the one of the four ABO blood groups characterized by the presence of antigens designated by the letters A and B and by the absence of antibodies against these antigens
First Known Use of ab
1927
Origin and Etymology of ab-
Middle English, from Anglo-French & Latin; Anglo-French, from Latin ab-, abs-, a-, from ab, a — more at of
AB Defined for English Language Learners
ab
play
noun
Definition of ab for English Language Learners
-
: any one of the muscles that cover a person's stomach : an abdominal muscle
AB Defined for Kids
ab-
prefix
Definition of ab- for Students
:from :differing from
- abnormal
AB
abbreviation
Definition of AB for Students
Alberta
Medical Dictionary
ab
abbreviation
medical Definition of ab
1
or
AB
abort; abortion
2
about
AB
play
noun
\
ˈā-ˈbē
\
medical Definition of AB
:the one of the four ABO blood groups characterized by the presence of antigens designated by the letters A and B and by the absence of antibodies against these antigens
AB
abbreviation
medical Definition of AB
1
aid to blind
2
[Latin artium baccalaureus]
bachelor of arts Learn More about ab
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