Noun
crown green bowls (uncountable)
(sports) A form of bowls, played on a slightly humped, square, grass green, in which two players each play two biased bowls, either along the edges, or diagonally over the crown; it is especially popular in the north of England
The Panel (Professional Crown Green Bowls) is played at the Red Lion, Westhoughton daily and is played to 41-up with greenside betting throughout play. Source: Internet