chaperone

Pronunciation: /ˈʃæ.pəˌɹoʊn/

The English word “chaperone” has 5 meanings listed here.

noun

An older person who accompanies other younger people to ensure the propriety of their behaviour, often an older woman accompanying a young woman.
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.
An employee sent by a British company to the European Union to work with a client there, to circumvent restrictions imposed after Brexit.

See chaperon.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.