Dee 1 : A 'D' shaped groove cut in the end of a log to allow a hauling rope or chain to be attached in such a way that the pull is exerted at the centre of the log
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}