Category:Twenty-fourmo

Twen`ty-four"mo, a.

Defn: having twenty-four leaves to a sheet; as, a twenty-fourmo form, Book, leaf, size, etc. -- n.

Defn: a book composed of sheets, each of which is folded into twenty- Four leaves; hence, indicating more or less definitely a size of book Whose sheets are so folded; -- usually written 24mo, or 24º.