Try a different tack (5)
I believe the answer is:
pivot
(Other definitions for pivot that I've seen before include "Kind of wine grape" , "Central point on which things turn" , "Swivel" , "Pin, centre of revolution" , "Central shaft" .)
I believe the answer is:
pivot
(Other definitions for pivot that I've seen before include "Kind of wine grape" , "Central point on which things turn" , "Swivel" , "Pin, centre of revolution" , "Central shaft" .)