Crossword Genius

Carry out most of device for training muscles (8)

Ross

I believe the answer is:

exercise

I'm a little stuck... Click here to teach me more about this clue!

'carry out' is the definition.
(synonyms)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for exercise that I've seen before include "written school task" , "Do it to develop skill or fitness" , "Task set to practise" , "Use" , "Practice task" .)

I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.