cetacean
noun/sɪˈteɪʃn/
/sɪˈteɪʃn/
(biology)- a whale, dolphin, or other sea creature that belongs to the same groupWord Originmodern Latin (plural), from Latin cetus, from Greek kētos ‘whale’.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
cetacean