What is hachiji?

Some articles on hachiji:

Karate Stances - High Stances - Frontal High Stances
... Hachiji-dachi (八字立, natural stance, literally "stand like the character 八") The feet are at the shoulder width, toes open at about 45 degrees ... Sometimes this stance is called soto-hachiji-dachi (外八字立) ... Uchi hachiji-dachi (内八字立, literally "stand like the upside-down character 八") The feet are at the shoulder width, toes facing inwards at 30-45 degrees, knees ...
Hachiji Dachi
... Hachiji dachi (八字立はちじだち?) is a stance used in karate ... In English, hachiji roughly translates to "the character for eight," but in context means something more like "shaped like number eight." Note that this refers to the shape of the kanji for the number ... The term "hachiji dachi" is frequently used interchangeably with "shizentai" (自然体:しぜんたい?), or "shizentai dachi", which translates to "natural stance" (literally ...