shield (noun, verb) past tense: shielded LISTEN
A shield is a device used to protect oneself, especially a broad piece of armor carried on the arm.
- In medieval times, soldiers fought with a sword and a shield.
- The police use shields to protect against gunfire.
A shield is also a person or thing that protects against injury.
- The heat shield kept the space capsule and the astronauts cool.
- The umbrella worked as a shield during the hail storm.
- The kidnapper used his hostage as a shield to make his escape.
Shield also means ‘to protect, as if with a shield.’
- Sara's hat shielded her face from the sun.
- Allen's mother shielded him from the truth about his father's crimes.
Did you know?
Did you ever think of toothpaste as a shield against tooth decay? Watch this vintage commercial to see how toothpaste protects you.
In pop culture
Captain America uses his shield in many creative ways. Watch this clip.