1.【体】波克线,田赛起点线,起跳线
2.【台】发球线;波克线
1.a straight line parallel to the end of a billiard table, from behind which opening shots with the cue ball are made
2.one of four lines parallel to the edges of a billiard table that pide it into the central area and eight smaller compartments that are used in a particular variety of billiards