丸まる括がっ弧こMeaningsNoun1. parentheses; round bracketsOther spellings丸まるがっこUsage share unknownOther readings丸まる括かっ弧こ丸まるカッコ丸まるかっこKanji used丸circle括tie a loop around弧arcComposed of丸まるcircle; entirety; whole; full; complete; enclosure inside a castle's walls; soft-shelled turtle; suffix for ship names; suffix for names of people (esp. infants); suffix for names of swords, armour, musical instruments, etc.; …Noun括かっ弧こbrackets; parenthesesNoun