face covering
US /ˈfeɪs ˌkʌv.ər.ɪŋ/
UK /ˈfeɪs ˌkʌv.ər.ɪŋ/
1.
a piece of material worn over the nose and mouth to protect against the spread of disease or to provide protection from dust or other airborne particles
:
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Wearing a face covering is mandatory in public transport.
•
She knitted a colorful face covering for her child.