noun
sea otter
Refers to the marine mammal Enhydra lutris. The word is usually written in kana.
from Ainu rakko
ラッコは貝を石で割って食べる。
Sea otters crack open shellfish with rocks to eat them.
水族館でラッコが仰向けに浮かんでいる。
At the aquarium, a sea otter is floating on its back.