Definition of shield verb from the Oxford Advanced Learner's Dictionary

     

    shield

     verb
    verb
    BrE BrE//ʃiːld//
     
    ; NAmE NAmE//ʃiːld//
     
    Verb Forms present simple I / you / we / they shield
    BrE BrE//ʃiːld//
     
    ; NAmE NAmE//ʃiːld//
     
    he / she / it shields
    BrE BrE//ʃiːldz//
     
    ; NAmE NAmE//ʃiːldz//
     
    past simple shielded
    BrE BrE//ˈʃiːldɪd//
     
    ; NAmE NAmE//ˈʃiːldɪd//
     
    past participle shielded
    BrE BrE//ˈʃiːldɪd//
     
    ; NAmE NAmE//ˈʃiːldɪd//
     
    -ing form shielding
    BrE BrE//ˈʃiːldɪŋ//
     
    ; NAmE NAmE//ˈʃiːldɪŋ//
     
     
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  1. 1to protect somebody/something from danger, harm or something unpleasant shield something against something I shielded my eyes against the glare. shield somebody/something from somebody/something The ozone layer shields the earth from the sun's ultraviolet rays. You can't shield her from the truth forever. shield somebody/something Police believe that somebody is shielding the killer.
  2. 2shield something to put a shield around a piece of machinery, etc. in order to protect the person using it
  3. Word Origin Old English scild (noun), scildan (verb), of Germanic origin; related to Dutch schild and German Schild, from a base meaning ‘divide, separate’.Extra examples He carefully shielded the flame with his cupped hand. He shielded her with his body. She raised her hand to shield her eyes against the sun. She tried to shield the children from the full horrors of the war. new laws to shield companies from foreign competition The ozone layer shields the earth from the sun’s ultraviolet rays. You can’t shield her from the truth forever.
See the Oxford Advanced American Dictionary entry: shield