Definitions

1. noun

A place where people live, especially a building shared by several people, often with a connotation of informality or lack of respectability.

“The old boarding house had a reputation for being a chummery, where students would live in cramped conditions and share meals.”

2. noun

A close and friendly relationship between people, often implying a lack of formality or reserve.

“The two friends had developed a strong chummery over the years, and were always there to support each other.”