Trigesimo-secundo

Webster's Dictionary of the English Language

·adj Having thirty-two leaves to a sheet; as, a trigesimo-secundo form, book, leaf, size, ·etc.

II. Trigesimo-secundo ·noun A book composed of sheets so folded that each one makes thirty-two leaves; hence, indicating, more or less definitely, a size of book;

— usually written 32mo, or 32°, and called thirty-twomo.