Japanese

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For pronunciation and definitions of きっこうかっこ – see the following entry.
亀甲括弧
[noun] (typography) tortoise shell bracket (either of a pair of symbols,〔 〕, sometimes used in Japanese to enclose comments in quoted text)
(This term, きっこうかっこ (kikkōkakko), is the hiragana spelling of the above term.)