noun

1. a place of Christian worship subordinate to and smaller than a church
2. 1. a room or building used as a place of worship, as in a hospital, school, or army post
   2. a room in a funeral home for funeral services
3. 1. a room or recess in a church, set apart for special services and having its own altar
   2. a similar room in some Jewish synagogues
4. a service in a chapel, or any religious service, as at a school
5. the singers of a private chapel, collectively
6. a local chapter of a printers' union
7. in Great Britain, any place of worship for those who are not members of an established church

Etymology: ME & OFr chapelle < ML cappella, dim. of cappa, cape < LL: orig., sanctuary in which the cappa or cope of St. Martin was preserved; then, any sanctuary