Hold a strong position (4)

I believe the answer is:

keep

I believe this clue is a double definition.

'hold' is the first definition.
(I know that hold can be written as keep)

'a strong position' is the second definition.
(I've seen this before)

(Other definitions for keep that I've seen before include "Retain; part of castle" , "Retain or care for" , "Save" , "Retain possession of" , "Eg, beef" .)

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

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