Definitions

1. noun

a flat piece of material, typically metal, wood, or plastic, attached to a surface, often for commemorative or decorative purposes

“The museum had a large plaque explaining the history of the building.”

2. verb

to mark or fix a plaque to a surface

“The company decided to plaque the winner’s name on the trophy.”

3. noun

a flat, usually circular, piece of tissue that forms on the surface of the skin, typically as a result of inflammation or infection

“The doctor examined the plaque on her patient’s knee.”