- a broad piece of metal or another suitable material, held by straps or a handle attached on one side, used as a protection against blows or missiles.；a sporting trophy shaped like a shield, consisting of an engraved metal plate mounted on a piece of wood
- protect from a danger, risk, or unpleasant experience；prevent from being seen
verb: shield, 3rd person present: shields, gerund or present participle: shielding, past tense: shielded, past participle: shielded
noun: shield, plural noun: shields
- 1. a broad piece of metal or another suitable material, held by straps or a handle attached on one side, used as a protection against blows or missiles. 同義詞
- ▪ a sporting trophy shaped like a shield, consisting of an engraved metal plate mounted on a piece of wood team captain Ben Hall collected the winners' shield
- ▪ a US police officer's badge.
- ▪ a stylized representation of a shield used for displaying a coat of arms.
- 2. a person or thing providing protection a coating of grease provides a shield against abrasive dirt 同義詞
- ▪ a protective plate or screen on machinery or equipment a face shield is sometimes an integral part of a safety helmet
- ▪ a device or material that prevents or reduces the emission of light or other radiation water is a relatively good shield against cosmic rays
- ▪ a hard flat or convex part of an animal, especially a shell the horseshoe crab's armour forms a huge domed shield
- 3. a large rigid area of the earth's crust, typically of Precambrian rock, which has been unaffected by later orogenic episodes, e.g. the Canadian Shield.
- 1. protect from a danger, risk, or unpleasant experience he pulled the cap lower to shield his eyes from the glare these people have been completely shielded from economic forces
- ▪ prevent from being seen the rocks she sat behind shielded her from the lodge
- ▪ enclose or screen (a piece of machinery) to protect the user cylindrical ducts shield the propellers
- ▪ prevent or reduce the escape of sound, light, or other radiation from (something) uranium shutters shield the cobalt radioactive source
- 2. British remain apart from others for a period of time in order to avoid catching an infectious disease to which one may be particularly vulnerable they are shielding to protect their own health