Glossary A- Z

[Pinboy]

Weak tenpin
The first ball leaves a solid ten and pin six is lying in the gutter right of pin ten. This is caused by a deflective ball without enough finish on the pins.

Weight block
Traditionally, the dense part of material found in the interior of a bowling ball designed to help create ball reaction.

Weight hole
See balance hole.

[Pinboy]

X
The symbol for a strike.

XXX'ed out
See 'all the way'.

[Pinboy]

Zero in
Find the right strike line or spot.