Definition of chaperone
1 : a person (such as a matron) who for propriety (see propriety 4) 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
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Examples of chaperone in a Sentence
I was a chaperone on one of my son's school trips.
Origin and Etymology of chaperone
French chaperon, literally, hood, from Medieval French, head covering, from chape
First Known Use: 1720
chaperone
chaperon
Definition of chaperone
chaperoned
;chaperoning
transitive verb
1 : escort
2 : to act as chaperone to or for chaperone a dance chaperoning teenagers
intransitive verb
: to act as a chaperone Two parents chaperoned at the school dance.
Examples of chaperone in a Sentence
Two parents chaperoned the children.
My mom always chaperoned the school dances.
Origin and Etymology of chaperone
see 1chaperone
First Known Use: 1796
CHAPERONE Defined for English Language Learners
chaperone
playDefinition of chaperone for English Language Learners
-
: someone (such as a teacher or parent) who goes with children on a trip or to a school dance to make sure that the children behave properly
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: a person in the past who went with a young unmarried woman to social events in order to make sure that the woman behaved properly
chaperone
Definition of chaperone for English Language Learners
-
: to be a chaperone to or for (someone or something)
CHAPERONE Defined for Kids
chaperon
\ˈsha-pə-ˌrōn\Definition of chaperone for Students
: a person who goes with and is responsible for a group of young people
chaperon
Definition of chaperone for Students
chaperoned
;chaperoning
: to go with and supervise a group of young people : act as a chaperone Several parents chaperoned the school dance.
Medical Dictionary
chaperone
playchaperone protein
Medical Definition of chaperone
: any of a class of proteins (such as heat shock proteins and chaperonins) that facilitate the proper folding of proteins by binding to and stabilizing unfolded or partially folded proteins As the proteins are produced, molecules called chaperones fold them into the three-dimensional form they are supposed to take.—Andres M. Lozano et al., Scientific American, July 2005—called also molecular chaperone
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