chap·er·one
ˈsha-pə-ˌrōn
variants
or less commonly chaperon
1
: a person (such as a matron) who for propriety (see propriety sense 2) accompanies one or more young unmarried women in public or in mixed company
2
: an older person who accompanies young people at a social gathering to ensure proper behavior
broadly
: one delegated to ensure proper behavior
I was a chaperone on one of my son's class trips.
3
: any of a class of proteins (such as heat shock proteins) that facilitate the proper folding of proteins by binding to and stabilizing unfolded or partially folded proteins
called also molecular chaperone
variants
or less commonly chaperon
chaperoned; chaperoning
1
: escort
2
: to act as chaperone to or for
chaperone a dance
chaperoning teenagers
: to act as a chaperone
Two parents chaperoned at the school dance.
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Merriam-Webster unabridged
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