Definition of "chaperone" [chaperone]

• An older person who accompanies other younger people to ensure the propriety of their behaviour, often an older woman accompanying a young woman. (noun)
• A protein that assists the non-covalent folding/unfolding and the assembly/disassembly of other macromolecular structures, but does not occur in these structures when the latter are performing their normal biological functions. (noun)
• To act as a chaperone (verb)

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• ""But really ... er ... you know a chaperone is a necessary evil," he objected."
• "Rebecca: The chaperone is there for both the patient and the doctor."
• "The presence of a chaperone was a smack in the face to the American gentleman: were they not be trusted?"