[n] a marking of a different color or texture from the background
[n] a distinctive characteristic; "he has a stubborn streak"; "a streak of wildness"
[n] a sudden flash (as of lightning)
[n] an unbroken series of events; "had a streak of bad luck"; "Nicklaus had a run of birdies"
[v] mark with spots or blotches of different color or shades of color as if stained
[v] run naked in a public place
[v] move quickly in a straight line; "The plane streaked across the sky"