noun
Steller's sea cow
An extinct marine mammal (Hydrodamalis gigas). Scientific or historical context.
ステラー海牛は18世紀に絶滅した。
Steller's sea cow became extinct in the 18th century.
Named after the naturalist Georg Wilhelm Steller, who described the species in 1741. The Japanese name combines ステラー (Steller) and 海牛 (sea cow).