部首 (ぶしゅ) Japanese meaning | KotomoraI looked up the kanji in a character dictionary by its radical.
Usage patterns
〈漢字〉の部首the radical of a kanji character
The radical of the kanji 海 is さんずい.
部首で〈漢字〉を調べるto look up a kanji by its radical
You can look up a kanji you can't read by its radical.
部首を覚えるto memorize kanji radicals
Before studying kanji, I first memorized the main radicals.