Runs ten cars perhaps (7)

I believe the answer is:

canters

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

'runs' is the definition.
The answer and definition can be both acts as well as being plural nouns.
Perhaps there's a link between them I don't understand?

'ten cars perhaps' is the wordplay.
'perhaps' is an anagram indicator.
'ten'+'cars'='tencars'
'tencars' is an anagram of 'CANTERS'.

Can you help me to learn more?

I've seen this clue in The Globe and Mail.

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.