/ˈraɪət ʃiːld/ – Phrase
Definition: Một loại khiên chống bạo động.
A more thorough explanation: a large, flat, lightweight object made of strong plastic that police officers hold in front of their bodies to protect themselves during illegal gatherings of people causing noisy, violent, and uncontrolled public disturbances
Example: Police charged protesters with batons and riot shields, firing rubber bullets and tear gas.