Boring 3 : The operation of making large round holes in a workpiece with an offset single-point tool (as opposed to drilling a hole) either on a lathe or in a boring machine
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}