the exact top (top dead centre) or bottom (bottom dead centre) of the piston stroke in a reciprocating engine or pump
a pointed rod mounted in the tailstock of a lathe to support a workpiece
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Also called: dead point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for dead centre
They half start, an' then they stick on a dead-centre, an' blame it all on other folk's ways o' treatin' them.The Day's Work, Volume 1|Rudyard Kipling