Caissa

noun, from the original Greek meaning 'loving, hilarious, geeky, talented, brilliant, beautiful'.

1. The goddess of the game of Chess

A Caissa is usually a sister, most often of the exemplary variety.

"Your sister's incredible!"
"Yeah, didn't I tell you? Her name's Caissa."
"Oh, that explains it."

by K.R.J. February 03, 2010