poriomania (pÅrâ³ Ä-Å-mÄnâ² Ä-Ä) [Gr. poreia, walking, + mania, madness]
1 Refers to the bowler's motion that ends with the start of the delivery. 2  arm-swing: The arc of the bowling arm and hand from the swing to the backswing. 3  arrows: Targeting arrows that appear on the lane 12 to 16 feet beyond the foul line. 4  Also called darts.
Tip for Casey: To Swing a Faster Bat, Lighten Up That Lumber. With Major League Baseball's All-Star game taking place tonight, a researcher explains why, when it comes to swinging a baseball bat, heavier isn't necessarily better.