Can someone tell me what is a Morifco? The clasification of Lazaro Madera in 1758

Oh my God! This is shocking? What is a "Morifco or "Morisco" As I am trying to look up that information since this is the first time to see that word classified on one of my relatives from the past in 1758. Here is part of the copy of the matrimonio of Lazaro Madera and Juana Micaela Perales in 1758 and I put an arrow over that word:

http://oi61.tinypic.com/2ztaufb.jpg