Crossword Genius

Sudden applause in Oval's erupting (5)

Ross

I believe the answer is:

salvo

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'sudden applause' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'oval's erupting' is the wordplay.
'erupting' is an anagram indicator.
'ovals' anagrammed gives 'SALVO'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for salvo that I've seen before include "Ceremonial round of gunfire" , "Discharge of weapons in unison" , "Burst (of applause, insults, artillery etc)" , "Fusillade, volley" , "Outburst, as of applause" .)

I've seen this clue in The Sun.
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