weapon
US /ˈwep.ən/
UK /ˈwep.ən/

1.
arma
a thing designed or used for inflicting bodily harm or physical damage
:
•
The police found a dangerous weapon in his car.
La policía encontró un arma peligrosa en su coche.
•
He was charged with carrying a concealed weapon.
Fue acusado de portar un arma oculta.
2.
arma, medio
a means of gaining an advantage or defending oneself
:
•
Education is a powerful weapon against poverty.
La educación es un arma poderosa contra la pobreza.
•
Her sharp wit was her best weapon in debates.
Su agudeza mental era su mejor arma en los debates.