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

Derived forms: parhelic rings

Type of: halo

• root celery
• root cellar
• root climber
• root crop
• root for
• root hair
• root on
• root out
• root rot
• root system
• root vegetable
• root word
• rootage
• rootbound
• rooted
• rooter
• rooter skunk
• rooting
• rooting reflex
• rootle
• rootless
• rootlet
• roots
• rootstalk
• rootstock