Crossword Genius

Flow is feeble, we hear (4)

Ross

I believe the answer is:

pour

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'flow' is the definition.
(I know that pour is a type of flow)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for pour that I've seen before include "Pelt - decant" , "16 [CATS AND DOGS]" , "Cause to flow in a stream" , "Teem" , "Serve liquid" .)

I've seen this clue in The Mirror.
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