American Heritage Dictionary
(13)
Century Dictionary
(54)
GNU Webster's 1913
(2)
WordNet
(8)
Elsewhere on the web
It seems to me that a driving machine should be a machine that drives something, just as a sewing machine is a machine that sews.— VERBATIM: The Language Quarterly Vol IX No 3
Machine has been looked up 372 times, favorited 0 times, listed 12 times, and commented on 0 times.

American Heritage Dictionary (1)
Century Dictionary (2)
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