What does the word streak mean?

Usage examples for streak

  1. At the first streak of dawn Lyon was up- all activity and anticipation- to open the battle. – The Struggle for Missouri by John McElroy
  2. They make a red streak over the dark- gray stones. – The Wit of a Duck and Other Papers by John Burroughs
  3. That child over there by the doorway- there in the streak o' sush- shine. – The Heart of the Range by William Patterson White