A luminous ring in the sky, a halo.

A halo around an astronomical body; = halo, n. 1a.

A luminous ring or circle around a shining body, esp. the moon; a halo.

A circle of light about the moon; = brough, n. 1.

A circle of light, either white or prismatically coloured, seen round a luminous body and caused by the refraction of light through vapour; spec.…

A beam or ray; a halo. Obsolete.

A circle of light round the moon (or a star); a brough, n. The original sense seems to have been merely ‘circle, halo’; but in modern use there is…

Perhaps = brough, n., burr, n.1, burrow, n.5, an ‘orb’.

transferred. Any circle or ring of light; a halo, corona. Also, †a name for the star of an order of knighthood (obsolete), and spec. an anthelion…

transferred. An actual halo of radiating light; esp. in Astronomy that seen in eclipses.

Used in the possessive and (formerly) with of to designate various concepts introduced by him. a faintly luminous halo occasionally observed around…