~という (called/named)
grammar82 sentences
The pattern [noun/phrase]という[noun], using the quotative と + 言う to attach a label, name, or description to a following noun. 'The X called Y,' 'what they call X.' Names, titles, concepts, reported speech, and definitions all use this. 田中という人 ('a person called Tanaka'), 自由という言葉 ('the word freedom'), 明日という日 ('the day called tomorrow'). Distinct from the hearsay sentence-final ~という.