defensive back
US /dɪˈfensɪv bæk/
UK /dɪˈfensɪv bæk/

1.
defensive back, difensore
a player in American or Canadian football whose main role is to prevent the opposing team from completing passes or making long runs
:
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The defensive back intercepted the pass, turning the tide of the game.
Il defensive back ha intercettato il passaggio, cambiando le sorti della partita.
•
Good coverage by the defensive backs is crucial for a strong defense.
Una buona copertura da parte dei defensive back è cruciale per una difesa forte.