retro-rocket

noun

ret·​ro-rock·​et ˈre-trō-ˌrä-kət How to pronounce retro-rocket (audio)
: an auxiliary rocket engine (as on a spacecraft) used in decelerating

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of retro-rocket was in 1951

Dictionary Entries Near retro-rocket

retroreflector

retro-rocket

retrorse

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Cite this Entry

“Retro-rocket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retro-rocket. Accessed 15 Dec. 2024.

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Kids Definition

retro-rocket

noun
ret·​ro-rock·​et
ˈre-trō-ˌräk-ət
: a rocket (as on a space vehicle) used to slow forward motion
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