- Also (US): balk billiards
- the space, usually 29 inches deep, between the baulk line and the bottom cushion
- (in baulk-line games) one of the spaces between the cushions and the baulk lines
- inside one of these spaces
- a strip of earth left between excavation trenches for the study of the complete stratigraphy of a site
- either of two lines (A baulk and B baulk) at diagonally opposite ends of the court, from which the ball is struck into play
- a variant spelling of balk
