The crossword solution for the term WING with the prefix PTER is a four-letter word, PTER. PTER is an abbreviation for the scientific term pterodactyl, which is a type of extinct flying reptile that lived during the Jurassic and Cretaceous periods. The word 'WING' is often associated with the ability to fly, and the prefix PTER is a reference to the pterodactyl, which was a creature capable of flight.