First Known Use: 1908
Dictionary
ornithopter
noun or·ni·thop·ter \ˈȯr-nə-ˌthäp-tər\
Definition of ORNITHOPTER
: an aircraft designed to derive its chief support and propulsion from flapping wings
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Origin of ORNITHOPTER
International Scientific Vocabulary ornith- + -pter (as in helicopter)
Rhymes with ORNITHOPTER
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