Meaning: こせきn. (Kanji=古昔) ancient timen. (Kanji=古跡) ruins, fragments of a destroyed structure or city; archeological find, historic spotn. (Kanji=古蹟) ruins, fragments of a destroyed structure or city; archeological find, historic spotn. (Kanji=戸籍) census, family register, counting and surveying of the population for official purposesn. (Alt=おぜき, Kanji=小関, Kata=オゼキ,コセキ) Ozeki, Koseki, Japanese family name