Plank target (4)
I believe the answer is:
core
(Other definitions for core that I've seen before include "The innermost part" , "Crux" , "Heal" , "Inmost part" , "Centre, heart" .)
I believe the answer is:
core
(Other definitions for core that I've seen before include "The innermost part" , "Crux" , "Heal" , "Inmost part" , "Centre, heart" .)