A record or disc (as distinct from a tape, cylinder, or other medium) on which a sound recording is made; (Library Science) such items as a category of holding in a catalogue.
Origin
1920s.
Definition of phonodisc in US English:
phonodisc
noun
US rare
A record or disc (as distinct from a tape, cylinder, or other medium) on which a sound recording is made; (Library Science) such items as a category of holding in a catalogue.