plaque >> /plæk/
Definition: [noun] An ornamental tablet, typically of metal, porcelain, or wood, that is fixed to a wall or other surface in commemoration of a person or event.
Example: The kick off is at 2pm where a plaque to commemorate the event will be unveiled.
Definition: [noun] A sticky deposit on teeth in which bacteria proliferate.
Example: plaque around gum margins can lead to gingivitis
Definition: [noun] A small, distinct, typically raised patch or region resulting from local damage or deposition of material, such as a fatty deposit on an artery wall in atherosclerosis or a site of localized damage of brain tissue in Alzheimer's disease.
Example: Atherosclerosis, which develops as fatty plaques within arterial walls, underlies both heart attack and stroke.