Lavatory
Definition 1 of 2
Pro Tip 1/3
Public Etiquette
Used for public or shared toilets, 'lavatory' indicates a place of privacy and hygiene. Please clean up after using the public lavatory.
Pro Tip 2/3
Air Travel
'Lavatory' is common in air travel to refer to the toilet compartment in an aircraft. The seatbelt sign is off, so you may now use the lavatory if needed.
Pro Tip 3/3
Formal Preference
In formal or polite contexts, 'lavatory' is preferred over 'toilet', which can be considered blunt. Excuse me, where is the lavatory?