rhynchocephalian


rhyn·cho·ce·pha·lian

noun \ˌriŋ-kō-sə-ˈfāl-yən\

Definition of RHYNCHOCEPHALIAN

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

Origin of RHYNCHOCEPHALIAN

ultimately from Greek rhynchos beak, snout + kephalē head — more at cephalic
First Known Use: 1886

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