plaque
//plæk//
Noun
plaqueSingular
plaquesPlural
1
A flat piece of metal, stone, or other material, typically inscribed, that is fixed to a wall or other surface in commemoration of a person or event.
A bronze plaque on the wall commemorates the founding of the school.
2
A sticky deposit on teeth in which bacteria proliferate, leading to tooth decay and gum disease.
Brushing your teeth twice a day helps remove plaque.
3
A small, distinct, typically raised patch or region on or within the body resulting from local damage or disease.
The doctor found plaque buildup in the patient's arteries.