a sitting room in a private house

they had lunch in the parlour

she knocked on the parlour door

a room in a public building for receiving guests

the mayor's parlour

a shop or business providing specified goods or services

an ice-cream parlour

a funeral parlour

a room or building equipped for milking cows

denoting a person who professes belief in but does not actively support a specified (especially radical) political view

urban intellectuals and parlour revolutionaries