subumbrella

noun
sub·​um·​brel·​la | \ ˌsəb-(ˌ)əm-ˈbre-lə How to pronounce subumbrella (audio) \

Definition of subumbrella

: the concave undersurface of a jellyfish

First Known Use of subumbrella

1844, in the meaning defined above

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The first known use of subumbrella was in 1844

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Cite this Entry

“Subumbrella.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/subumbrella. Accessed 10 December 2019.

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