Arg
Arg
abbrDefinition of ARG
arginine; arginyl
Learn More About
Seen & Heard 
What made you want to look up Arg? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Take Our 10-Question Quiz
Learning English?
We can help.
We can help.
Visit our free site designed
especially for learners and
teachers of English
LearnersDictionary.com »
especially for learners and
teachers of English
LearnersDictionary.com »
Merriam-Webster's
Visual Dictionaries
Visual Dictionaries
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more. See all »
Other Merriam-Webster Dictionaries
