kayles

1. (uncountable, obsolete or dialect) The game of skittles or ninepins.Examples: "Playing kayles, i.e. throwing a stick at ninepins, at Smithfield, 13th century."dialectalobsoleteuncountable

2. (uncountable, game theory) A simple impartial game in combinatorial game theory, in which players take turns to knock out one pin or two adjacent pins from a line of imagined bowling pins.uncountable