Dredger 2 : A vessel fitted with plant or apparatus for dredging, excavating, or rock breaking, or for eroding and disposing of sand and other detritus from the sea bed
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}