Source : Webster's Revised Unabridged Dictionary (1913)

Dozen \Doz"en\, n.; pl. {Dozen} (before another noun), {Dozens}.
   [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.

   2. An indefinite small number. --Milton.

   {A baker's dozen}, thirteen; -- called also a {long dozen}.

Baker \Bak"er\, n. [AS. b[ae]cere. See {Bake}, v. i.]
   1. One whose business it is to bake bread, biscuit, etc.

   2. A portable oven in which baking is done. [U.S.]

   {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.