Definition of Ma Bell in US English:

noun

• A nickname for the American Telephone and Telegraph Corporation.

  Example sentences

  • ‘It reminds me of the '60s when everyone's goal was to defeat the ‘establishment’ through fairly harmless guerrilla tactics such as not putting a stamp on the envelope when paying a Ma Bell phone bill.’
  • ‘We've done this before: to the railroad trusts in the first part of the 20th century, to Ma Bell more recently.’