national hunt

noun

British (often capitals)
  1. the racing of horses on racecourses with jumps
  2. (as modifier)a National Hunt jockey

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