From Longman Dictionary of Contemporary Englishtypewritertype‧writ‧er /ˈtaɪpˌraɪtə $ -ər/ noun [countable] 
Ta machine with keys that you press in order to print letters of the alphabet onto paper
Ta machine with keys that you press in order to print letters of the alphabet onto paperExamples from the Corpus
typewriter• I took my bicycle on the train, with two packs slung on the back and a typewriter.• They can also buy equipment such as a typewriter or calculator.• Pencils, pens, a typewriter.• It should, however, be enough to say that the Enigma machine looked like a large, clumsy, old-fashioned typewriter.• Any room into which Harvey put his typewriter he called his office.• After he drifted off I got up from my typewriter, knelt beside the couch and stared at his face.• Both his hands disappear in the back of my typewriter.• It was all hands to the pumps, or the typewriters or the files or the photocopier, as appropriate.From Longman Business Dictionarytypewritertype‧writ‧er /ˈtaɪpˌraɪtə-ər/ noun [countable] a machine that prints letters of the alphabet onto paper 