Noun
a machine with a large revolving drum in which cement is mixed with other materials to make concrete
Source: WordNetHis father was a concrete mixer truck driver. Source: Internet
I'm told that putting them in a concrete mixer with some sort of abrasive is the best way to remove the green covering. Source: Internet
These are sometimes referred to simply as "yards" when no ambiguity is possible, for example an American or Canadian concrete mixer may be marked with a capacity of "11 yards" or "1.5 yards", where cubic yards are obviously referred to. Source: Internet
Someday, maybe, I will have access to a concrete mixer. Source: Internet