printer

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that prints, especially one whose occupation is printing.
• noun A device that prints text or graphics on paper.

from The Century Dictionary.

• noun One who prints, impresses, or stamps by impression; a person whose business it is to produce copies or superficial transfers of anything by pressure, as in a press or the like, or by the agency of light on a sensitized surface, as in photography: usually distinguished, when not specific (def. 2), by an adjunct: as, a lithographic printer; a plate-printer; a calico-printer.
• noun A person who practises or carries on the business of typographical printing; one who understands the mechanical process of producing printed matter for reading; specifically, as used of workmen, a compositor, or one who manipu-lates the types.
• noun One who sells what he prints or procures the printing of; hence, a publisher of books or of a periodical.
• noun A telegraphic instrument which makes records in printed characters; a telegraphic printing instrument.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who prints; especially, one who prints books, newspapers, engravings, etc., a compositor; a typesetter; a pressman.
• noun See under Devil, and Gauge.
• noun See Printing ink, below.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One who makes prints.
• noun The operator of a printing press or owner of a printing business.
• noun computing A device, usually attached to a computer, used to print text or images onto paper. Also see plotter.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (computer science) an output device that prints the results of data processing
• noun someone whose occupation is printing
• noun a machine that prints