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.
Also: bowl out to dismiss (a batsman) by delivering a ball that breaks his wicket. 6. (Bowls & Bowling) (intr) to play bowls or tenpin bowling. 7. (Bowls & Bowling) (tr) (in tenpin bowling) to score (a specified amount): he bowled 120.