what's this, etc. in aid of?

What's (something) in aid of?

What is the reason for or purpose of something? Someone told me they just called an all-hands meeting for this afternoon. What is that in aid of?
See also: aid
Farlex Dictionary of Idioms.

what’s (all) ˈthis, etc. in aid of?

(British English, spoken) what is the purpose or cause of something?: What’s all this crying in aid of?
See also: aid
Farlex Partner Idioms Dictionary
See also:
  • What's (something) in aid of?
  • what's all this in aid of?
  • être
  • his, your, etc. raison d'être
  • raison
  • raison d'être
  • sacrifice (someone or something) for (someone or something else)
  • sacrifice for
  • make any sense (out) of (something)
  • make some sense (out) of (something)