proofer

English

From proof +‎ -er.

proofer (plural proofers)

A chamber used in baking that encourages fermentation of dough by yeast through warm temperatures and controlled humidity.
One who proofs.
- 1913, Louis Fader, “The Cost of Production and its Relation to Salesmanship and Profit”, in Process: the photomechanics of printed illustration‎^[1], volume 20, number 237, page 238:
  There was a time when the half-tone photographer received considerable more in wages than did the proofer.
- 1997, John Leverence, And the winner is--: using awards programs to promote your company‎^[2], →ISBN, page 196:
  The proofer would check under “Third” in the T's and find the The Third Annual Pablo Casals Festival.
A printer used to make proofing copies that look like how it will come out of the press.
- 2003, Mei-Chun Lo, Yui-Liang Chen, Pei-Li Sun, Ya-Hui Chiang., “The Color Rendering Between a Color Proofer and Printing Press”, in Proceedings AIC 2003 Bangkok: Color Communication and Management‎^[3], →ISBN, page 181:
  In graphic arts industry, in order to utilize color effectively, often a proofer is employed to simulate the reproductions of a press that is used to produce high-quality printed matters for clients.