What's in aid of?

What's something in aid of?

(British & Australian informal)

something that you say when you want to know why someone has done something I heard the shouting from the other side of the building. What was that in aid of? A present! What's this in aid of?

Common Names:

Name	Pronounced	Usage
Cecilia	sə-SEE-lee-ə (English), sə-SEEL-yə (English), che-CHEE-lyah (Italian), the-THEE-lyah (Spanish), se-SEE-lyah (Latin American Spanish), se-SEEL-yah (Danish, Norwegian), SE-see-lee-ah (Finnish)	English, Italian, Spanish, Swedish, Danish, Norwegian, Finnish, Dutch, German
Wren	REN	English (Rare)
Evita	[e'vi:ta:]
Renzo	REN-tso	Italian
Damon	['deimən]
'Avima'el	-	Biblical Hebrew