noun
umibōzu; sea yōkai; sea monster
A Japanese mythological sea creature, often depicted as a giant black humanoid figure with a bald head, said to appear suddenly and capsize boats.
海坊主は、船を沈めると言われる妖怪だ。
The umibōzu is a yōkai said to sink ships.
There is an old tale about a fisherman who encountered an umibōzu.
noun
green turtle
A zoological term for the green sea turtle (Chelonia mydas). Also called 青海亀 (あおうみがめ).
See also: 青海亀 (あおうみがめ)
海坊主は、別名を青海亀ともいう。
The green turtle is also called aoumi-game.