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

1.
defensive back, espalda defensiva
a player in American or Canadian football whose main role is to prevent the opposing team from completing passes or making long runs
:
•
The defensive back intercepted the pass, turning the tide of the game.
El defensive back interceptó el pase, cambiando el rumbo del partido.
•
Good coverage by the defensive backs is crucial for a strong defense.
Una buena cobertura por parte de los defensive backs es crucial para una defensa sólida.