sea onion

noun

: squill sense 1a

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler

The first known use of sea onion was in the 14th century

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Browse Nearby Words

sea oats

sea onion

sea orach

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Cite this Entry

Style

“Sea onion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20onion. Accessed 22 Jul. 2025.

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Medical Definition

sea onion

noun

sea on·ion -ˌən-yən

: squill sense 1a

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