Main Entry: pter·an·o·don

Pronunciation: \tə-ˈra-nə-ˌdän, -ˈrä-\

Function: noun

Etymology: New Latin, from Greek pteron wing + anodōn toothless from an- + odōn, odous tooth — more at feather, tooth

Date: 1881

: any of a genus (Pteranodon) of Cretaceous pterosaurs having a backwardly directed bony crest on the skull and a wingspan of about 25 feet (7.7 meters)