Definition of pterodactyloid in US English:

pterodactyloid

adjective

  • Having the form or character of a pterodactyl; specifically belonging to the suborder or superfamily Pterodactyloidea of pterosaurs of the late Jurassic and the Cretaceous, characterized by a long neck and a small or vestigial tail.

noun

  • A pterodactyloid pterosaur.

Origin

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

Pronunciation

pterodactyloid

/ˌtɛrəˈdakt(ɪ)lɔɪd/