山やま括がっ弧こやまがっこMeanings1nounangle bracket; chevronRefers to the punctuation marks ⟨ and ⟩ or < and >, often used in mathematics, computing, or to enclose quotations.この記き号ごうは山やま括弧がっこと呼よばれている。This symbol is called a chevron.数すう式しきでは山やま括弧がっこをよく使つかう。Angle brackets are often used in mathematical expressions.