noun an·ky·lo·sau·rus \ˌaŋ-kə-lō-ˈsȯr-əs\

Definition of ankylosaurus

  1. :  any of a North American genus (Ankylosaurus) of large ankylosaurs having a bony club at the end of the tail

Origin and Etymology of ankylosaurus

New Latin, genus name, from Greek ankylos + sauros lizard

First Known Use: 1907

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