|See also pterosaur any extinct flying reptile of the genus Pterodactylus and related genera, having membranous wings supported on an elongated fourth digit|
|[C19: from |
|a chattering or flighty, light-headed person.|
|a fool or simpleton; ninny.|
|pterodactyl (těr'ə-dāk'təl) Pronunciation Key
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Any of various small, extinct flying reptiles (pterosaurs) of the genus Pterodactylus of the late Jurassic and Cretaceous Periods. Pterodactyls had long, narrow jaws with sharp teeth, and a wingspan of 1 m (3.3 ft) or less.