adipose fin

noun

: a soft fleshy rayless modification of the posterior dorsal fin found in certain fishes (such as salmons, characins, and typical catfishes)

Word History

First Known Use

1789, in the meaning defined above

Time Traveler
The first known use of adipose fin was in 1789

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Dictionary Entries Near adipose fin

Cite this Entry

“Adipose fin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adipose%20fin. Accessed 4 Dec. 2022.

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