1.  baker(n = noun.person) - someone who bakes commercially;
is a kind of merchandiser, merchant
Derived form verb bake₂

2.  baker(n = noun.person) bread maker - someone who bakes bread or cake;
is a kind of skilled worker, skilled workman, trained worker
Derived form verb bake₂

1.  One whose business it is to bake bread, biscuit, etc. [1913 Webster]

2.  A portable oven in which baking is done. [1913 Webster]

baker, n. a person who bakes and sells bread, cakes, etc., esp. professionally.

Idiom:
baker's dozen thirteen (so called from the former bakers' custom of adding an extra loaf to a dozen sold; the exact reason for this is unclear).

Etymology:
OE b{aelig}cere

mary baker eddy, mary morse baker eddy, norma jean baker

   dozen(n = noun.quantity) 12, twelve, xii - the cardinal number that is the sum of eleven and one;
is a kind of large integer
has particulars: boxcars
Derived form adjective dozen₁

   dozen(s = adj.all) 12, twelve, xii - denoting a quantity consisting of 12 items or units;
Derived form noun dozen₁

dozen, n.
1 (prec. by a or a number) (pl. dozen) twelve, regarded collectively (a dozen eggs; two dozen packets; ordered three dozen).
2 a set or group of twelve (packed in dozens).
3 colloq. about twelve, a fairly large indefinite number.
4 (in pl.; usu. foll. by of) colloq. very many (made dozens of mistakes).
5 (the dozens) a Black American game or ritualized exchange of verbal insults.

Idiom:
by the dozen in large quantities. talk nineteen to the dozen Brit. talk incessantly.

Derivative:
dozenth adj. & n.

Etymology:
ME f. OF dozeine, ult. f. L duodecim twelve

N  five, five, cinque, quint, quincux, six, half-a- dozen, half dozen, seven, eight, nine, three times three, dicker, ten, decade, eleven, twelve, dozen, thirteen, long dozen, baker's dozen, quintuplet, twenty, score, twenty-four, four and twenty, two dozen, twenty-five, five and twenty, quarter of a hundred, forty, two score, fifty, half a hundred, sixty, three score, seventy, three score and ten, eighty, four score, ninety, fourscore and ten, sestiad, hundred, centenary, hecatomb, century, hundredweight, cwt, one hundred and forty-four, gross, thousand, chiliad, millennium, thousand years, grand, myriad, ten thousand, ban, man, ten thousand years, banzai, lac, one hundred thousand, plum, million, thousand million, milliard, billion, trillion, five, quinary, quintuple, fifth, senary, sextuple, sixth, seventh, septuple, octuple, eighth, ninefold, ninth, tenfold, decimal, denary, decuple, tenth, eleventh, duodenary, duodenal, twelfth, in one's 'teens, thirteenth, vicesimal, vigesimal, twentieth, twenty-fourth, vicenary, vicennial, centuple, centuplicate, centennial, centenary, centurial, secular, hundredth, thousandth.

baker's dozen, half a dozen, half dozen, long dozen, six of one and half a dozen of, two dozen