sub·​um·​brel·​la ˌsəb-(ˌ)əm-ˈbre-lə How to pronounce subumbrella (audio)
: the concave undersurface of a jellyfish

Word History

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of subumbrella was in 1844

Dictionary Entries Near subumbrella

Cite this Entry

“Subumbrella.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2023.

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