Definition of sea cow in English:

sea cow

noun

  • A sirenian, especially a manatee.

    • ‘Already the Steller's Sea Cow has been hunted into extinction by humans.’
    • ‘The sea cow, a relative of the manatee, is proof that tasting good can be hazardous to a species' health.’

Pronunciation:

sea cow

/ˈsē ˌkou/