A type of small light telephone, often in pale or pastel colours and frequently having the handset resting immediately above the dial (or buttons). [A trademark in the U.S.]
Origin
1950s.
Definition of princess phone in US English:
princess phone
noun
A type of small light telephone, often in pale or pastel colours and frequently having the handset resting immediately above the dial (or buttons). [A trademark in the U.S.]