The Collaborative International Dictionary of English v.0.48:

Baker \Bak"er\, n. [AS. b[ae]cere. See Bake, v. t.]
   1. One whose business it is to bake bread, biscuit, etc.
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   2. A portable oven in which baking is done. [U.S.]
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   A baker's dozen, thirteen.

   Baker foot, a distorted foot. [Obs.] --Jer. Taylor.

   Baker's itch, a rash on the back of the hand, caused by the
      irritating properties of yeast.

   Baker's salt, the subcarbonate of ammonia, sometimes used
      instead of soda, in making bread.
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The Collaborative International Dictionary of English v.0.48:

Dozen \Doz"en\ (d[u^]z"'n), n.; pl. Dozen (before another
   noun), Dozens (d[u^]z"'nz). [OE. doseine, dosein, OF.
   doseine, F. douzaine, fr. douze twelve, fr. L. duodecim; duo
   two + decem ten. See Two, Ten, and cf. Duodecimal.]
   1. A collection of twelve objects; a tale or set of twelve;
      with or without of before the substantive which follows.
      "Some six or seven dozen of Scots." "A dozen of shirts to
      your back." "A dozen sons." "Half a dozen friends."
      --Shak.
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   2. An indefinite small number. --Milton.
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   A baker's dozen, thirteen; -- called also a long dozen.
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