Put to use (5)
'put to use' is the definition.
(synonyms)
This is all the clue.
(Other definitions for apply that I've seen before include "Sue" , "Put to use" , "Ask (for job)" , "concentrate" , "Agree" .)
(Other definitions for harness that I've seen before include "Exploit (something's) potential energy" , "Gear for a horse" , "Supporting gear" , "Equine gear" , "Leather straps for a horse" .)
'put to use' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for applied that I've seen before include "Put into service, made work" , "having a practical character" , "Type of science" , "Administered" , "Put oneself forward, for a job say" .)
'put to use' is the definition.
(synonyms)
This is all the clue.
(Other definitions for utilize that I've seen before include "Appropriate" , "In use" .)