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Noun: parhelion (parhelia)  paa(r)'hee-lee-un
  1. A bright spot on the parhelic circle; caused by diffraction by ice crystals
    "two or more parhelia are usually seen at once";
    - mock sun, sundog

Derived forms: parhelia

Type of: dapple, fleck, maculation, patch, speckle, spot

Encyclopedia: Parhelion