Crossword Genius

A game outcry (5)

Ross

I believe the answer is:

bingo

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

This might be a double definition.

'a game' is the first definition.
(bingo is a game)

'outcry' is the second definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

Can you help me to learn more?

(Other definitions for bingo that I've seen before include "House!" , "I've completed my card!" , "Game of chance" , "Game in which "two little ducks" might be called" , "Housey-housey" .)

I've seen this clue in the Evening Standard.
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