trigesimo-secundo, a. [L. in trigesimo-secundo in the thirty-second.].
Having thirty-two leaves to a sheet; as, a trigesimo-secundo form, book, leaf, size, etc. [1913 Webster]
trigesimo-secundo, n.
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 32thirty-twomo. [1913 Webster]