defense
US /dɪˈfens/
UK /dɪˈfens/

1.
the action of defending from or resisting attack
:
•
The city's defense against the invaders was strong.
•
He came to her defense when she was criticized.
2.
the case presented by or on behalf of the party accused of a crime
:
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The lawyer presented a strong defense for his client.
•
The prosecution tried to undermine the defense's arguments.