Crossword Genius

Country, one with little river water (4)

Ross

I believe the answer is:

iraq

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'country' is the definition.
(I know that Iraq is Asian country)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for iraq that I've seen before include "Middle Eastern country" , "Location of Baghdad" , "Present-day site of Mesopotamia" , "Basra's country" , "Middle East country" .)

I've seen this clue in The Times and The Sunday Times.
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