about
: 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
: 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
1
able seaman; able-bodied seaman
2
abort; abortion
3
airborne
4
airman basic
5
Alberta
6
[New Latin artium baccalaureus]
bachelor of arts
: from : away : off
abaxial
Examples of ab in a Sentence
Recent Examples on the Web
Lori A Bashian Fox News, Fox News, 6 Jan. 2025
Aaron’s shirtless photo shows off his abs, which were also on display in Kraven the Hunter.
—Daniel S. Levine, People.com, 1 Jan. 2025
At first, the advertisement was for a show coming soon and featured a nearly full-length lounging shot of Sue, hair flowing, a cutout in her pink lamé leotard revealing her abs.
—Alissa Wilkinson, New York Times, 1 Jan. 2025
The stars of Anthony Minghella’s Oscar-winning The English Patient reunited this year in The Return, a reimagining of the Odysseus myth that featured Ralph’s abs.
—Fran Hoepfner, Vulture, 23 Dec. 2024
See all Example Sentences for ab 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
Supermodel, Heidi Klum, walked the carpet in an ethereal green gown with a semi-sheer skirt and peek-a-boo cutouts on her abs.
—Lori A Bashian Fox News, Fox News, 6 Jan. 2025
Aaron’s shirtless photo shows off his abs, which were also on display in Kraven the Hunter.
—Daniel S. Levine, People.com, 1 Jan. 2025
At first, the advertisement was for a show coming soon and featured a nearly full-length lounging shot of Sue, hair flowing, a cutout in her pink lamé leotard revealing her abs.
—Alissa Wilkinson, New York Times, 1 Jan. 2025
The stars of Anthony Minghella’s Oscar-winning The English Patient reunited this year in The Return, a reimagining of the Odysseus myth that featured Ralph’s abs.
—Fran Hoepfner, Vulture, 23 Dec. 2024
See all Example Sentences for ab
Dictionary Entries Near ab
Cite this Entry
“Ab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ab. Accessed 20 Jan. 2025.
Copy CitationMedical Definition
ab
2 of 4 abbreviation1
or AB
abort; abortion
2
about
AB
3 of 4 noun
: 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
4 of 4 abbreviation1
aid to blind
2
[Latin artium baccalaureus]
bachelor of arts
Love words? Need even more definitions?
Merriam-Webster unabridged
Share