‖n.; pl.Paraselenæ [ NL., from Gr. para` beside + selh`nh the moon: cf. F. parasélène. ] (Meteor.) A mock moon; an image of the moon which sometimes appears at the point of intersection of two lunar halos. Cf. Parhelion. [ 1913 Webster ]
[げんげつ, gengetsu](n) (See 幻日) paraselene; moon dog; moondog (bright spot on either side of the moon caused by refraction of moonlight through ice crystals in the atmosphere)[Add to Longdo]