Centre (Machine Tools) : A tapered device which is fitted to the headstock or tailstock of a lathe or other machine tool, to support and centralise a component whose ends have been centre drilled
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}