kanji radical 13 (upside-down box)
Refers to the kanji component 冂, often called the 'upside-down box' radical. Used in describing character structure; not a common everyday word.
See also: けいがまえ
Dōgamae is one of the kanji radicals.
Compound of 同 (dō, 'same') and 構え (gamae, 'structure/frame'), referring to the shape of the radical.