Definitions

1. noun

a usually flat plate of metal, stone, or other material, especially one fixed to a wall or monument to commemorate a person or event

“The plaque on the wall commemorated the city’s founder.”

2. noun

a deposit of calcium salts on the surfaces of teeth, typically resulting from a lack of saliva and causing tooth decay

“Regular brushing and flossing can help prevent plaque from forming on teeth.”

3. noun

a plate or disc of food, especially one of meat, fish, or vegetables, served as part of a meal

“The restaurant offered a variety of savory plaques, including duck and lamb.”

4. verb

to fix a plaque or other commemorative tablet in a particular place

“The town will plaque the new monument to honor its veterans.”

5. verb

to deposit a layer of calcium salts on a surface, especially on teeth

“Plaque can form on teeth if good oral hygiene practices are not followed.”