Crossword Genius

Street light is made to go off (5)

Ross

I believe the answer is:

stray

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

'go off' is the definition.
(I've seen this in another clue)

'street light' is the wordplay.
'street' becomes 'st' (abbreviation).
'light' becomes 'ray' (ray is a kind of light).
'st'+'ray'='STRAY'

'is made to' is the link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for stray that I've seen before include "out of place" , "Wander off course" , "Appearing occasionally" , "Wander from the path" , "Drift - isolated" .)

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