Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


noun or·ni·thop·ter \ˈȯr-nə-ˌthäp-tər\

Definition of ornithopter

  1. :  an aircraft designed to derive its chief support and propulsion from flapping wings

Origin and Etymology of ornithopter

International Scientific Vocabulary ornith- + -pter (as in helicopter)

First Known Use: 1908

Rhymes with ornithopter

Learn More about ornithopter

Seen and Heard

What made you want to look up ornithopter? Please tell us where you read or heard it (including the quote, if possible).