Definition of "chaperone" in English

noun

1. An older person who accompanies other younger people to ensure the propriety of their behaviour, often an older woman accompanying a young woman.

2. (biochemistry) 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.

3. (UK, business) An employee sent by a British company to the European Union to work with a client there, to circumvent restrictions imposed after Brexit.

verb

1. To act as a chaperone.

2. (UK, business) To work as a chaperone.