Crossword Genius

Brotherly tosh? (3)

Ross

I believe the answer is:

rot

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

'tosh?' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'brotherly' is the wordplay.
'ROT' is hidden in amongst the letters.
However, I am uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for rot that I've seen before include "Drivel" , "Balderdash" , "Decay in grotesque way" , "Cobblers" , "Rubbish (colloq.)" .)

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