Type: Conjuration
Pronunciation: AH-viss
Description: Conjures a flock of birds from the tip of the wand, when used in conjunction with Oppuano, it can be used offensively.
Seen/Mentioned: Used in 1994 by Mr Ollivander to test Viktor Krum's wand. Also employed offensively by Hermione Granger against Ron Weasley.
Etymology: The Latin word avis means "bird".