Baker's dozen

Baker's dozen

A baker's dozen, also known as a long dozen and a "long measure", is 13, one more than a proper dozen. The expression found its genesis in 13th-century England, when an Assize of Bread and Ale was introduced. Then, it was commonly called "the long measure". It is also rarely known as Devil's dozen, because 13 is considered an unlucky number.

Origin

The oldest known source and most probable origin for the expression "baker's dozen" dates to the 13th century in one of the earliest English statutes, instituted during the reign of Henry III (r. 1216-1272), called the Assize of Bread and Ale. Bakers who were found to have shortchanged customers could be liable to severe punishment. To guard against the punishment of losing a hand to an axe, a baker would give 13 for the price of 12, to be certain of not being known as a cheat. Specifically, the practice of baking 13 items for an intended dozen was to prevent "short measure", on the basis that one of the 13 could be lost, eaten, burnt or ruined in some way, leaving the baker with the original dozen. The practice can be seen in the guild codes of the Worshipful Company of Bakers in London.

Modern uses

While modern bakers no longer fear medieval law, they have found other reasons for a baker's dozen, as seen in the tidy way 13 disks (loaves, cookies, biscuits, etc.) can pack a rectangle (baking tray) of appropriate proportions.Fact|date=April 2007 Modern standard-sized packing trays have a 3:2 aspect ratio, and the most efficient two-dimensional array is hexagonal close packing, which has sixfold symmetry, such that each baked item is equidistant from its six nearest neighbors. The corners of a cookie sheet heat up and cool off faster than the edges and interior, so any item placed near a corner will not bake at the same rate as the other items. A 4+5+4 arrangement provides the dense hexagonal packing while avoiding corners, and would have been discovered empirically by bakers with the goal of baking the maximum number per batch with optimal uniformity.

Especially in America, tradition suggests some customers see it as a sign of appreciation from the baker for continued patronage. During the Depression especially, bakers often gave 13 items to those purchasing an "even dozen", out of generosity and compassion. In societies venerating or using 12-base systems, the number 13, as represented by a "longer measure" or "baker's dozen", is seen as auspicious and lucky.

ee also

*Poulter's measure
*Decimal dozen
*Banker's dozen


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Look at other dictionaries:

  • baker's dozen — A Baker s dozen is 13 rather than 12 …   The small dictionary of idiomes

  • baker's dozen — ► baker s dozen a group of thirteen. [ORIGIN: from the former bakers custom of adding an extra loaf to a dozen sold to a retailer.] Main Entry: ↑baker …   English terms dictionary

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  • baker's dozen — n [singular] thirteen of something …   Dictionary of contemporary English

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  • baker's dozen — noun the cardinal number that is the sum of twelve and one • Syn: ↑thirteen, ↑13, ↑XIII, ↑long dozen • Hypernyms: ↑large integer * * * noun [singular] old fashioned : thirteen of something a baker s dozen of books [=thirteen books] …   Useful english dictionary

  • baker's dozen — {n.}, {informal} Thirteen. * / How many of the jelly doughnuts, Sir? the salesclerk asked. Oh, make it a baker s dozen. / …   Dictionary of American idioms

  • baker's dozen — {n.}, {informal} Thirteen. * / How many of the jelly doughnuts, Sir? the salesclerk asked. Oh, make it a baker s dozen. / …   Dictionary of American idioms

  • baker's\ dozen — noun informal thirteen. How many of the jelly doughnuts, Sir? the salesclerk asked. Oh, make it a baker s dozen …   Словарь американских идиом

  • baker's dozen —    A Baker s dozen is 13 rather than 12.   (Dorking School Dictionary) …   English Idioms & idiomatic expressions

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