| 1. | a person, usually a married or older woman, who, for propriety, accompanies a young unmarried woman in public or who attends a party of young unmarried men and women. |
| 2. | any adult present in order to maintain order or propriety at an activity of young people, as at a school dance. |
| 3. | a round headdress of stuffed cloth with wide cloth streamers that fall from the crown or are draped around it, worn in the 15th century. |
| 4. | to attend or accompany as chaperon. |
| 5. | to act as chaperon. |

"Chaperon ... when used metaphorically means that the experienced married woman shelters the youthful débutante as a hood shelters the face" [1864].