Make one anxious to stop the baby crying? (6)

I believe the answer is:

rattle

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'stop the baby crying?' is the definition.
The definition and answer can be both related to natural events as well as being singular nouns.
Maybe you can see an association between them that I can't see?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for rattle that I've seen before include "Noisy device < to throw" , "Toy for child and football fan" , "Baby's toy; irritate" , "led to Tweedledum and Tweedledees quarrel?" , "rabbit" .)

I've seen this clue in the Evening Standard.

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