national insurance

noun
  1. (in Britain) state insurance based on weekly contributions from employees and employers and providing payments to the unemployed, the sick, the retired, etc, as well as medical servicesSee also social security
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