dog's face; sake bottle shape; three-stone pattern
In go, a shape where three stones form a pattern resembling a dog's face, also likened to a sake bottle. The term is used descriptively for this specific configuration.
This corner shape is called a dog's face.
The dog's face is also called a sake bottle shape.
Literally 'dog's face', from the visual resemblance of the stone pattern to a dog's face. The alternative name トックリ形 comes from its similarity to a sake bottle.