1. 屏障;保护物;保护人Something or someone which is a shield against a particular danger or risk provides protection from it.

2. 保护;掩护;庇护If something or someone shields you from a danger or risk, they protect you from it.

3. (为阻挡阳光直射而)挡住，遮住(眼睛)If you shield your eyes, you put your hand above your eyes to protect them from direct sunlight.

4. 盾;盾牌A shield is a large piece of metal or leather which soldiers used to carry to protect their bodies while they were fighting.

5. (体育运动的)盾形奖牌，盾形徽章A shield is a sports prize or badge that is shaped like a shield.