入いり頭がしらいりがしらMeanings1nounkanji 'enter' radical at top (radical 11)Refers to the kanji component 入 when it appears at the top of a character, as in 全 or 今. Used in kanji reference contexts.「全ぜん」の上うえの部ぶ分ぶんは入いり頭がしらと呼よばれる。The top part of 全 is called 入り頭.