Meaning of sun streak in English:

sun streak

noun

  • 1A stretch of sunlight reflected on the surface of water; a shaft of sunlight, a sunbeam.

  • 2A patch or streak where the colour of something has faded in, or been bleached by, the sun; (now) especially a streak of lighter colour in a person's hair where it has been bleached by the sun, or a similar highlight created by artificial bleaching or dyeing; chiefly in plural.

Origin

Early 19th century; earliest use found in Ladies' Literary Cabinet.