cetacean

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cetacean /sɪˈteɪʃən/ noun
plural cetaceans
cetacean
/sɪˈteɪʃən/
noun
plural cetaceans
Learner's definition of CETACEAN
[count] technical
: a mammal (such as a whale, dolphin, or porpoise) that lives in the ocean

— cetacean

adjective