ret·​ro·​pack ˈre-trō-ˌpak How to pronounce retropack (audio)
: a system of retro-rockets on a spacecraft

Example Sentences

Recent Examples on the Web He was given the green light to proceed to his third orbit, and controllers instructed Glenn to place the landing-bag switch in the automatic position and keep the retropack in place after retrofire if a light should come on. Julia Musto, Fox News, 20 Feb. 2022

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retropack.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of retropack was in 1962

Dictionary Entries Near retropack

Cite this Entry

“Retropack.” Dictionary, Merriam-Webster, Accessed 21 Mar. 2023.

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