[ 'ʃapərəʊn ]
(also chaperon 'ʃapərɒn )
■ noun dated an older woman responsible for the decorous behaviour of a young unmarried girl at social occasions.
■ verb accompany and look after.
Derivatives
chaperonage 'ʃap(ə)r(ə)ˌnɪdʒ noun
Origin
ME (denoting a hood or cap): from Fr., feminine of chaperon 'hood', dimin. of chape (see chape ).