chap|er|one

chap|er|one
chap|er|on or chap|er|one «SHAP uh rohn», noun, verb, -oned, -on|ing.
–n.
1. a married woman or an older woman who accompanies a young girl or unmarried woman in public for the sake of good form and protection. SYNONYM(S): duenna.
2. an older person who is present at a party or other social activity of younger people to see that good taste is observed.
3. a kind of draped turban popular in Europe during the Renaissance.
4. a protein that controls the shaping of amino-acid chains within living cells: »

The chaperones allow amino acids that are destined for the interior of the active protein to curl in on themselves, while encouraging those regions meant for the protein surface to turn and confront the outside world (New York Times).

–v.t.
to act as chaperon to; escort: »

His first expedition into the Sahara was chaperoned…by the French army (Wall Street Journal).

[< Old French chaperon hood, protector (diminutive) < chape cape < Late Latin cappa]

Useful english dictionary. 2012.

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  • chap — I UK [tʃæp] / US noun [countable] Word forms chap : singular chap plural chaps British informal old fashioned * a man, especially one that you like Bill s such a nice chap. Who s the tall, dark haired chap? • See: chaps II UK [tʃæp] / US verb… …   English dictionary

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