[quote=Ebil Bunny]
Patella is actually the name for the former constellation of the limpet, for those who care about such things.
[/quote]

ooooh, all I could find was it being the medical name for kneecap, a segment of the arthropod leg or a genus of limpets in the family Patellidae. Limpet's being this:
[img=http://upload.wikimedia.org/wikipedia/commons/f/f4/Common_limpets1.jpg]

I was like what?