Definitions for halo-
Random House Webster's College Dictionary
ha•loˈheɪ loʊ(n.)(pl.)-los, -loes
Ref: Also called nimbus.
something suggesting such a light or shape.
Ref: nimbus (def. 2). 2
any of a variety of bright circles or arcs centered on the sun or moon, caused by the refraction or reflection of light by ice crystals suspended in the earth's atmosphere
Ref: (disting. from corona 1 1 2 ).
(v.t.)to surround with a halo.
(v.i.)to form a halo.
Origin of halo:
1555–65; < L, acc. of halōs circle round sun or moon < Gk hálōs orig., disk, threshing floor
a combining form meaning “salt” (halophyte), “halogen” (halothane).
Origin of halo-:
< Gk, comb. form of háls salt