Crossword Genius

Swallowing when the street is named (7)

Ross

I believe the answer is:

downing

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

'swallowing' is the definition.
The definition and answer can be both related to consumption as well as being present participle verbs.
Maybe they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for downing that I've seen before include "Drinking" , "Street that houses British P.M." , "College of Cambridge" , "and 17: Thoroughfare of government" .)

I've seen this clue in the Evening Standard.
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