What does the word Lo mean?

Usage examples for Lo

  1. I went in to see, when, lo! – Around The Tea-Table by T. De Witt Talmage
  2. Lo, how he lives and laughs! – Locrine - A Tragedy by Algernon Charles Swinburne
  3. A few minutes later she ran across her room, and lo! – Polly Oliver's Problem by Kate Douglas Smith Wiggin