Ma Bell
Proper noun
Meaning
Ma Bell
(US, telecommunications, informal, historical) Collectively, the family of companies associated with American Telephone & Telegraph, providing telephone service in the United States for many years through 1983.
Proper noun
Ma Bell
(US, telecommunications, informal, historical) Collectively, the family of companies associated with American Telephone & Telegraph, providing telephone service in the United States for many years through 1983.