Definition of rhamphorhynchoid in US English:

rhamphorhynchoid

adjective

  • Of or relating to the suborder or superfamily Rhamphorhynchoidea of pterosaurs of the late Triassic and the Jurassic, characterized by small size and a long tail stiffened with ligaments.

noun

  • A rhamphorhynchoid pterosaur.

Origin

Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From Rhamphorhynchus + -oid, after scientific Latin Rhamphorhynchoidea, group name.

Pronunciation

rhamphorhynchoid

/ˌramfə(ʊ)ˈrɪŋkɔɪd/