Definition of "baker's dozen" [baker's dozen]

• A group of 13. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Bear in mind, then, that there are not, I suppose, more than a baker's dozen of these "split-ups" throughout the book, and the way they were managed can be seen by this literal translation of a line the "The Terraced Road of the Two-Edged Sword Mountains.""