oc·e·lot 
(ŏsə-lŏt′, ōsə-)
(ŏsə-lŏt′, ōsə-)n.
A nocturnal wildcat (Leopardus pardalis) of brush and woodland from southwest North America to central South America, having a grayish or yellow coat with black spots.
[French, from Nahuatl ocelotl.]