Definition of Sr in English:

Sr

  • 1Senior (in names)

    ‘E. T. Krebs Sr’
  • 2Señor.

  • 3Signor.

  • 4Sister (in a religious order)

    [as a title] ‘Sr Agatha’

  • The chemical element strontium.

Definition of sr in English:

sr

  • Steradian(s).

Definition of SR in English:

SR

historical
  • (in the UK) Southern Railway.