Crossword Genius

Meetings of hands indicate endorsement (5)

Ross

I believe the answer is:

claps

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

'meetings' is the definition.
The definition and answer can be both related to natural events as well as being plural nouns.
Maybe there's an association between them I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Another definition for claps that I've seen is " Applauds".)

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