智ち日にちMeanings1nounChile and JapanAn abbreviation formed from the first kanji of 智利 (Chile) and 日本 (Japan). Rare and mostly found in historical or diplomatic contexts.戦せん前ぜんの資し料りょうには「智ち日にち関かん係けい」という表ひょう現げんが見みられる。In prewar documents, the expression 'Chile-Japan relations' can be seen.