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baulk line

US balk line

noun billiards

Also called: string line a straight line across a billiard table behind which the cue balls are placed at the start of a game
  1. one of four lines parallel to the cushions dividing the table into a central panel and eight smaller ones (the baulks)
  2. a type of game using these lines as restrictions
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