be in aid of

be in aid of

To support or help (someone or something). The fundraiser is in aid of the local family whose house just burned down.
See also: aid, of
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

be in aid of

to be intended to help, cure, or resolve. What is all this in aid of? I don't understand what your comments are in aid of.
See also: aid, of
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: