from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Originally, a book of accounts, so named from the placing of debt and credit in opposition to each other. A collection of notes or commentaries; a commonplace book.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. A miscellaneous collection of notes, remarks, or selections; a commonplace book; also, commentaries or notes.
from The Century Dictionary and Cyclopedia
- A miscellaneous collection of notes, remarks, or selections; a commonplace-book; memoranda or annotations.
From Latin adversus (Wiktionary)