A person, typically an older or responsible adult, who accompanies and looks after a young person or group of young people, especially in social situations.
The school dance required each student to have a chaperone present.
A person who accompanies someone to ensure they behave appropriately, often used in the context of a social or formal event.
The celebrity arrived at the gala with a chaperone to manage the crowd.
In molecular biology, a protein that assists the folding or assembly of other macromolecules, especially proteins, within the cell.
Heat-shock proteins act as molecular chaperones during protein folding.