You probably mean - le pas de cheval (a horse step) see this -

http://en.wikipedia.org/wiki/Glossary_of_ballet

The step pas de bourée originated from classical ballet.

Pas de chat

"pas de deux"

or "the step of two"

pas de chat is a ballet step meaning "step of the cat" it is in french, the language of ballet. It is commonly used in the finale scene of sleeping beauty ballet. hope this helps!!
Pas de chat (pa-da-cha) is a french word, used in ballet meaning "a step of a cat"