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rhynchocephalian

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noun rhyn·cho·ce·pha·lian \ˌriŋ-kō-sə-ˈfāl-yən\

Definition of rhynchocephalian

  1. :  any of an order (Rhynchocephalia) of reptiles resembling lizards that includes the tuatara as the only living member

rhynchocephalian

adjective

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Origin and Etymology of rhynchocephalian

ultimately from Greek rhynchos beak, snout + kephalē head — more at cephalic

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