dorsal fin

noun

: a flat thin part on the back of some fish (such as sharks)

Dictionary Entries Near dorsal fin

Cite this Entry

“Dorsal fin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dorsal%20fin. Accessed 4 Feb. 2023.

Kids Definition

dorsal fin

noun
: a fin on the ridge along the middle of the back of a fish or sea mammal (as a whale)
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