Meaning

• An irregular line left from smearing or motion.

  "The picture I took out the car window had streaks."

• A continuous series of like events.

  "I hope I can keep up this streak of accomplishments."

• The color of the powder of a mineral. So called, because a simple field test for a mineral is to streak it against unglazed white porcelain.

• A moth of the family Geometridae, Chesias legatella.

• A tendency or characteristic, but not a dominant or pervasive one.

  "She's a quiet, bookish person, but she has a rebellious streak."

• A strake.

• A rung or round of a ladder.

• The act of streaking, or running naked through a public area

Meaning

• To have or obtain streaks.

  "If you clean a window in direct sunlight, it will streak."

• To run naked in public. (Contrast flash)

  "It was a pleasant game until some guy went streaking across the field."

• To create streaks.

  "You will streak a window by cleaning it in direct sunlight."

• To move very swiftly.

• To stretch; to extend; hence, to lay out, as a dead body.