noun
ab
ab
noun
1
Informal short form of "abdominal muscle", usually used in the plural "abs" for the stomach muscles.
"He does two hundred crunches a day to build up his abs."
2
Informal shortening of "abscess", especially one caused by injecting drugs.
"The clinic treated an infected ab on his forearm."
How to Use Ab
Learner’s notesIn plain EnglishA short slang form most commonly heard as part of "abs" (stomach muscles).
Easily confused with
Word Forms
abs plural, abs plural, Abs plural, Abs plural
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He does two hundred crunches a day to build up his _____.
Etymology
Shortened from words such as "abdominal" or "abscess", depending on the sense.