baker's dozen
Preserved but no longer current.
Thirteen for twelve. When a heavy penalty was inflicted for short weight, bakers used to give a surplus number of loaves, called the inbread, to avoid all risk of incurring the fine. The 13th was the "vantage loaf.
Era: ca. 1898 (Victorian)
Sources & notes
Reproduced from Brewer’s Dictionary of Phrase and Fable (1898 edition, public domain; archive.org, retrieved 2026-07-31; OCR text, minor errors possible). Reflects the scholarship and attitudes of its era.
Common questions
What does “baker's dozen” mean?
Thirteen for twelve. When a heavy penalty was inflicted for short weight, bakers used to give a surplus number of loaves, called the inbread, to avoid all risk of incurring the fine. The 13th was the "vantage loaf.
Is “baker's dozen” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.