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
Jenny McCoy, SELF, 19 Feb. 2025
The versatile Chestnut, 56, leads with intellect, charm and six-pack abs as Dr. John Watson, the beloved colleague of the apparently deceased Sherlock Holmes, in CBS' modern series.
—Bryan Alexander, USA TODAY, 18 Feb. 2025
Wang appeared on the red carpet in a black and white gown of her own creation, which featured a cut-out that perfectly highlighted her toned abs.
—Josh Hammer, Newsweek, 17 Feb. 2025
This yoga core exercise strengthens not just your abs but supporting muscle groups, including your quads, hip flexors, and spinal stabilizers.
—Amber Sayer, Outside Online, 17 Feb. 2025
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
The challenge of breathing while your abs are braced, Dr. Harding says.
—Jenny McCoy, SELF, 19 Feb. 2025
The versatile Chestnut, 56, leads with intellect, charm and six-pack abs as Dr. John Watson, the beloved colleague of the apparently deceased Sherlock Holmes, in CBS' modern series.
—Bryan Alexander, USA TODAY, 18 Feb. 2025
Wang appeared on the red carpet in a black and white gown of her own creation, which featured a cut-out that perfectly highlighted her toned abs.
—Josh Hammer, Newsweek, 17 Feb. 2025
This yoga core exercise strengthens not just your abs but supporting muscle groups, including your quads, hip flexors, and spinal stabilizers.
—Amber Sayer, Outside Online, 17 Feb. 2025
See All Example Sentences for ab
Cite this Entry
“Ab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ab. Accessed 28 Feb. 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