User blog comment:Zathronas/Analysis by an author: Volume 2 episode 6: Burning the Candle/@comment-78.42.186.25-20140905022402/@comment-25091485-20140905024519

Qrow's symbol can be described as a head of a crow holding a gear which has another gear in it, with its mouth.

Also, whats with the gears thing, Ozpin's symbol has gears too...