chuckwalla

 
Pronunciation: /ˈtʃʌkwɒlə/

noun

  • a large dark-bodied lizard, the male of which has a light yellow tail, native to the deserts of the south-western US and Mexico.
    • Sauromalus obesus, family Iguanidae

Origin:

late 19th century: from Mexican Spanish chacahuala, from American Indian