Crossword Genius

It is said there is nothing to share (7)

Ross

I believe the answer is:

oration

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'it is said there' is the definition.
The definition suggests a singular noun which matches the answer.

'nothing to share' is the wordplay.
'nothing' becomes 'O' (looks like zero - 0).
'to share' becomes 'ration' (a ration is a share of a limited resource).
'o'+'ration'='ORATION'

'is' is the link.

Can you help me to learn more?

(Other definitions for oration that I've seen before include "A long ceremonial speech" , "An eloquent speech" , "words" , "eulogy" , "Major speech" .)

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