from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A paper size, (3.75"-5" x 2.5"-3.125"), one thirty-secondth of a standard uncut flat sheet.
- n. A book size, (3.75"-5" x 2.5"-3.125"), corresponding to the paper size.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having thirty-two leaves to a sheet
- 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.
from The Century Dictionary and Cyclopedia
- Same as thirtytwo-mo.
From Latin ablatives of trīgēsimus ("thirtieth") and secundus ("second") (Wiktionary)