noun
regular script; standard script; block script
Refers to the most common, non-cursive style of writing Chinese characters (kanji), used in printing and formal handwriting. Often contrasted with 行書 (semi-cursive) and 草書 (cursive).
彼は楷書で丁寧に手紙を書いた。
He wrote the letter carefully in regular script.
楷書は漢字の基本
Regular script is one of the basic styles of writing Chinese characters.