counter
counter for books; counter for volumes
Used to count books, magazines, notebooks, and similar bound printed matter. Attaches directly to numerals.
この本を三冊ください。
Please give me three copies of this book.
彼は年間に五十冊以上の本を読む。
He reads more than fifty books a year.
noun
Rare standalone noun meaning a single bound volume. In modern Japanese, 本 or 書物 is far more common.
この一冊は彼の代表作だ。
This single volume is his masterpiece.