Definitions

1. noun

A woman who is in charge of the household or a lady who holds a high rank in a noble household, often in a medieval context.

“The chatelaine of the castle oversaw the daily operations and ensured that everyone had what they needed.”

2. noun

A decorative object, typically a metal case with a series of loops or rings, used to hold keys or other small items.

“The old chatelaine on her belt held a set of keys and a small bottle of perfume.”