Definition of rhynchosaurian in US English:

rhynchosaurian

(also rhyncosaurian)

noun

  • Rhynchosaur.

adjective

  • Of or relating to the order Rhynchosauria.

Origin

Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From rhyncho- + saurian, in early use after Rhynchosaurus; in later use after scientific Latin Rhynchosauria, order name (Osborn, 1903).

Pronunciation

rhynchosaurian

/ˌrɪŋkə(ʊ)ˈsɔːrɪən/