
Centerless grinding is a machining process that uses abrasive cutting to remove material from a workpiece. Centerless grinding differs from centered grinding operations in that no spindle or fixture is used to locate and secure the workpiece; the workpiece is secured between two rotary grinding wheels, and the speed of their rotation relative to e...
Found on
http://en.wikipedia.org/wiki/Centerless_grinding

Grinding the outside or inside diameter of a round piece not mounted on centers.
Found on
http://www.encyclo.co.uk/local/21038

An operation whereby the surface of a bar is ground without using a lathe.
Found on
https://www.ssina.com/education/glossary/
No exact match found.