Muscles in six-packs (3)
I believe the answer is:
abs
(Other definitions for abs that I've seen before include "Exercise to improve these" , "stopping system" , "ratings?" , "Some musculature" , "Stomach muscles (abbr)" .)
I believe the answer is:
abs
(Other definitions for abs that I've seen before include "Exercise to improve these" , "stopping system" , "ratings?" , "Some musculature" , "Stomach muscles (abbr)" .)