n. (Meteorol.) 1. A luminous spot occasionally seen a few degrees from the sun, supposed to be formed by the intersection of two or more halos, or in a manner similar to that of halos. [ 1913 Webster ]
2. A fragmentary rainbow; a small rainbow near the horizon; -- called also dog and weathergaw. [ Webster 1913 Suppl. ]
(n) a bright spot on the parhelic circle; caused by diffraction by ice crystals, Syn. mock sun, sundog, Example:two or more parhelia are usually seen at once
[げんじつ, genjitsu] (n, adj-no) (See 幻月) parhelion; sun dog; sundog (bright spot on either side of the sun caused by refraction of sunlight through ice crystals in the atmosphere)