sb. (a.) slang. [Short for typographer or typographic.] A typographer, a printer; spec. a compositor, b. attrib. or as adj. = TYPOGRAPHIC.
1816. Massachusetts Spy, 7 Aug. (Thornton). [Printers] will confer a favour on a brother typo [etc.].
1858. Printer, Dec. (Bartlett). A manuscript written in 17141716, by two ambitious typos.
1830. Stationer, XXXV. 3. From the humble typo to the grand publisher in his chair.
1891. Anthonys Photogr. Bull., IV. 110. Good pressmen for color work, for litho. and typo. presses . What does a typo pressman know about lithographic inks, damping, [etc.]?
1893. Leland, Mem., I. 286. The typos, reporters, and subs [on a newspaper staff].