also: かくがっこ
Refers to the punctuation marks [ and ]. Used in writing, programming, and mathematics.
The part enclosed in square brackets can be omitted.
In programming, square brackets are used for array indices.
Standard kanji spelling for square brackets.
Common mixed spelling using katakana for カッコ.
Search-only form with rendaku reading; not a standard written variant.
Compound of 角 (kaku, 'angle') and 括弧 (kakko, 'brackets'), referring to the angular shape of square brackets.