balkline(redirected from Balkline and straight rail)
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Related to Balkline and straight rail: Carom billiards
balk linealso balk·line (bôk′līn′)
A line parallel to one end of a billiard table, from behind which opening shots with the cue ball are made.
a straight line drawn across a billiard table behind which the cue balls are placed in beginning a game.