We found 2 dictionaries that define the word printing machines:

General (2 matching dictionaries)

1. printing machines: Merriam-Webster
2. printing machines: Vocabulary.com

(Note: See printing_machine as well.)

Definitions from WordNet (printing machine) ▸ noun:  a machine that prints ▸ Also see printing_machine ▸ Words similar to printing machines ▸ Usage examples for printing machines ▸ Idioms related to printing machines ▸ Wikipedia articles (New!) ▸ Words that often appear near printing machines ▸ Rhymes of printing machines ▸ Invented words related to printing machines