re·​pump (ˌ)rē-ˈpəmp How to pronounce repump (audio)
repumped; repumping

transitive + intransitive

: to pump (something) again
mitral valve regurgitation causing blood to be repumped through the heart
The pump supposedly removes air from the bottle … . After pouring another glass, simply repump to create a new vacuum.Dave McIntyre

Word History

First Known Use

1753, in the meaning defined above

Time Traveler
The first known use of repump was in 1753

Dictionary Entries Near repump

Cite this Entry

“Repump.” Dictionary, Merriam-Webster, Accessed 1 Feb. 2023.

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