古こ書しょ展てんこしょてんMeanings1nounrare book exhibition; antiquarian book fairAn event where old, rare, or antiquarian books are displayed and often sold.来らい週しゅう、東とう京きょうで大おおきな古こ書しょ展てんが開ひらかれる。A large rare book fair will be held in Tokyo next week.