beam; beam of light; light beam; ray; ray of light; shaft; shaft of light; irradiation
a column of light (as from a beacon)
Type of:
light; visible light; visible radiation
Types:
heat ray
high beam
moonbeam; moon ray; moon-ray
sunbeam; sunray
laser beam
low beam
WordNet Lexical Database
v3.0, © 2006 Princeton University