Takes turns using revolving toaster (7)
I believe the answer is:
rotates
'takes turns' is the definition.
(rotating is a kind of taking turns)
'revolving toaster' is the wordplay.
'revolving' is an anagram indicator (letters turning or twisting around).
'toaster' with letters rearranged gives 'ROTATES'.
'using' is the link.
(Other definitions for rotates that I've seen before include "Takes turns" , "Turns round" , "Turns around an axis" , "Goes round" , "revolves" .)