rhynchocephalian /ˌrɪŋkəʊsɪˈfælɪən/

• 1. 

  ADJ of, relating to, or belonging to the Rhyncocephalia, an order of lizard-like reptiles common in the Mesozoic era but today represented only by the tuatara 喙头蜥目

• 2. 

  N any reptile belonging to the order Rhyncocephalia 喙头蜥目爬行动物