dorsal fin

/ˌdɔrsəl fɪn/
IPA guide

Other forms: dorsal fins

Definitions of dorsal fin
  1. noun
    unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance
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    type of:
    fin
    organ of locomotion and balance in fishes and some other aquatic animals
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Vocabulary lists containing dorsal fin

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