synchropter
nounEtymology From synchro- + -pter.
1
A helicopter that has a pair of intermeshing rotors.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From synchro- + -pter.
A helicopter that has a pair of intermeshing rotors.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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