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 ]

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 32°, and called thirty-twomo. [ 1913 Webster ]