1. A luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere
   - parhelic circle, parhelic ring

Derived forms: solar haloes

Type of: halo

• ill service
• ill temper
• ill turn
• ill will
• ill-advised
• ill-advisedly
• ill-affected
• ill-assorted
• ill-being
• ill-bred
• ill-breeding
• ill-chosen
• ill-conceived
• ill-considered
• ill-defined
• ill-disposed
• ill-dressed
• ill-equipped
• ill-famed
• ill-fated
• ill-favored
• ill-favoured
• ill-fed
• ill-fitting
• ill-formed