四角号碼しかくごうま

noun

four-corner method

A system for classifying kanji by the shapes of their four corners, used in some dictionaries and input methods. The term is a proper noun referring to this specific indexing method.

• 四し角かく号ごう碼まは、漢かん字じを四よ隅すみの形かたちで分ぶん類るいする方ほう法ほうです。

  The four-corner method is a way of classifying kanji by the shapes of their four corners.