noun, noun or participle which takes 'suru'
shield; protective barrier; shielding
A loanword for a physical or technical shield: something that protects, covers, blocks, or insulates. As シールドする, it means to shield something, often in technical contexts such as noise, electromagnetic waves, radiation, or protective equipment.
作業員は顔を守るシールドを下ろした。
The worker lowered the shield that protected his face.
This cable is shielded to prevent noise.