sea cow

2 ENTRIES FOUND:

sea cow

noun

Definition of SEA COW

:  sirenian

First Known Use of SEA COW

1613

sea cow

noun    (Concise Encyclopedia)

Extinct aquatic mammal (Hydrodamalis gigas) that lived around islands in the Bering Sea. It was discovered in 1741 and described by a member of Vitus Bering's expedition. At least 24 ft (7.5 m) long, it had no teeth, a small head, and a broad, horizontal, forked tail fluke; its dark brown skin was sometimes streaked or spotted with white. It browsed on seaweed. Russian sealers hunted it for food and fur; by 1768 the entire population, estimated at about 5,000, had been exterminated. The term also refers to dugongs and manatees.

Variants of SEA COW

sea cow or Steller's sea cow

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