Crossword Genius

Border control (5)

Ross

I believe the answer is:

limit

I believe this clue is a double definition.

'border' is the first definition.
(I've seen this before)

'control' is the second definition.
(limiting is a kind of controlling)

(Other definitions for limit that I've seen before include "Curtail" , "Extreme point" , "Ceiling" , "Confine within bounds" , "Constraint" .)

I've seen this clue in The Telegraph.
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