Crossword Genius

The odd street light out of place? (5)

Ross

I believe the answer is:

stray

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

'out of place?' is the definition.
(I've seen this before)

'the odd street light' is the wordplay.
'the odd street' becomes 'st' (abbreviation. I am not sure about the 'odd' bit.).
'light' becomes 'ray' (ray is a kind of light).
'st'+'ray'='STRAY'

Can you help me to learn more?

(Other definitions for stray that I've seen before include "Waif and - -" , "Go off course" , "Drift - isolated" , "Deviate" , "Wander off course" .)

I've seen this clue in the Evening Standard.
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