What does the word specialty mean?

Usage examples for specialty

  1. I can sell steel because I know it from the ground up; it's my specialty. – Laughing Bill Hyde and Other Stories by Rex Beach
  2. That was his specialty; he did little business in London itself. – Between You and Me by Sir Harry Lauder
  3. The Inter- State Correspondence Schools make a specialty of the interests of boys, I might say. – Sube Cane by Edward Bellamy Partridge