Any weight or article placed in or on the bed of a harbour for the purpose of securing a vessel; but does not include an anchor or weight lifted by the vessel when departing from the site, anchorage, or mooring
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}