from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small book or pamphlet containing poems, ballads, stories, or religious tracts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small book, usually made from a single sheet, folded several times, containing poems, ballads or religious tracts
from the GNU version of the Collaborative International Dictionary of English
- n. Any small book carried about for sale by chapmen or hawkers. Hence, any small book; a toy book.
from The Century Dictionary and Cyclopedia
- n. One of a class of tracts upon homely and miscellaneous subjects which at one time formed the chief popular literature of Great Britain and the American colonies.
chap(man) + book (so called because it was originally sold by chapmen).(American Heritage® Dictionary of the English Language, Fourth Edition)