rotor disk

noun

: the plane circular area swept through by the blades of a helicopter rotor

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of rotor disk was in 1931

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Dictionary Entries Near rotor disk

rotorcraft

rotor disk

rotor plane

See More Nearby Entries 

Cite this Entry

“Rotor disk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotor%20disk. Accessed 27 Nov. 2024.

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