IPA: /ˈlævəˌtɔːri/
KK: /ˈlævəˌtɔri/
A room or space that contains a toilet and often a sink for washing hands.
Please wash your hands after using the lavatory.
**Lavatory** → It is formed from "lavare" (meaning to wash) and the suffix "-ory" (meaning a place for). The word "lavatory" refers to a place for washing, typically a bathroom or toilet.
Think of 'washing' ('lavare') and remember that a 'lavatory' is a place for washing.