The Collaborative International Dictionary of English v.0.48:

Mastigure \Mas"ti*gure\, n. [Gr. ma`stix, ma`stigos, a scourge +
   ? tail.] (Zool.)
   Any one of several large spiny-tailed lizards of the genus
   Uromastix. They inhabit Southern Asia and North Africa.
   [1913 Webster]