A mill in which the grinding is done by rollers. 
                                                                                                                                                                                                
                                            
| Example | Meaning | 
                                                                                                             
 ... where they, ah- they, ah, took stones, you-see, and they put the corn down in this hole in a rock, a solid rock. And then they took the, ah- another stone and they went around and they ground it all. It's, ah, quite a change from the, ah, roller mills of today, eh?   | 
 A mill in which the grinding is done by rollers.  |                                                                          
                                                                                                            
                                                                                                                            
                                            
| Example | Meaning | 
                                                                                                             
 Interviewer: And the mill itself, was that- you said a grist mill? Speaker 2: Yeah. Speaker: Yeah. Interviewer: It was a grist mill. Speaker: And- and- and we ah had a- a roller mill. Interviewer: What's a roller mill? Speaker: Just for rolling grain.   | 
 A mill where grain is rolled.  |