Crossword Genius

Hatbands for mourners (7)

Ross

I believe the answer is:

weepers

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

This might be a double definition.

'hatbands' is the first definition.
Although both the answer and definition are plural nouns, I don't understand how they can define each other.

'for mourners' is the second definition.
(weeper is a kind of mourner)

Can you help me to learn more?

(Other definitions for weepers that I've seen before include "People crying" , "dark coverings?" .)

I've seen this clue in The Guardian.
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