long arm(redirected from the long arm of something)
Like this video? Subscribe to our free daily email and get a new idiom video every day!
Broad, far-reaching power or influence. (Usually paired with a noun, as in "the long arm of the law.") The long arm of justice finally put the murderer in jail, where he belongs. I'm afraid the long arm of corporate interests may make environmental preservation a near impossibility.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.