a combining form meaning “wing,” “feather,” used in the formation of compound words:
wing, feather, or a part resembling a wing: pterodactyl
ptero- or pter-
Wing; feather: pterion.
[ter-uh-kahr-puh s] /ˌtɛr əˈkɑr pəs/ adjective, Botany. 1. having winged fruit.
noun 1. any of a number of genera of flying reptiles of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having a highly reduced tail and teeth and a birdlike beak. noun 1. any extinct flying reptile of the genus Pterodactylus and related genera, having membranous wings supported on an elongated fourth digit […]
noun, plural pteromata [tuh-roh-muh-tuh, te-] /təˈroʊ mə tə, tɛ-/ (Show IPA) 1. pteron.
noun, Architecture. 1. (in a classical temple) a colonnade parallel to, but apart from, the cella. 2. the space between this and the cella.
noun a fear of feathers Word Origin ptero- ‘feather, wing’