noun
giant bald-headed monster; ōnyūdō
A yōkai depicted as a huge, bald-headed figure, often appearing in folklore and art. The term can also refer to a giant in general.
昔話には、大入道が山の向こうから現れる話がある。
In old tales, there are stories of an ōnyūdō appearing from beyond the mountains.
その絵巻物
A huge ōnyūdō is depicted in that picture scroll.
noun
large bald man; big baldy
Colloquial, often humorous or mildly derogatory term for a large, bald-headed man, likening him to the monster.
あの大入道みたいな人がまた来たよ。
That big baldy-looking guy came again.
noun
large monk
Rare, literal use for a physically large Buddhist monk. The bald head and large stature evoke the yōkai image.
寺の門前に立つ大入道のような僧が印象的だった。
The monk standing in front of the temple gate, like a giant bald figure, was striking.