- a book size of about 3¼ × 5½ inches (8.3 × 14 centimeters), determined by printing on sheets that are folded to form 32 leaves or 64 pages. Symbols: 32mo, 32°
- a book of this size.
- printed, folded, or bound as a thirty-twomo.
- a book size resulting from folding a sheet of paper into 32 leaves or 64 pages
