The term 'RAY' can be found in a variety of crossword solutions, including 'FLASH' (5 letters), 'GLEAM' (5 letters), 'RADIATION' (9 letters), 'MOONBEAM' (8 letters), 'LIGHT' (5 letters), 'IOTA' (4 letters), 'GLOW' (4 letters), 'MANTA' (5 letters), 'SUNBEAM' (7 letters), 'SKATE' (5 letters), 'SHAFT' (5 letters), 'BEAM' (4 letters), 'BLU' (3 letters), 'GAMMA' (5 letters), 'SUGAR' (5 letters), 'SUGARROBINSON' (13 letters), and 'SHAFTOFSUNLIGHT' (15 letters). All of these words refer to some form of LIGHT or RADIATION, which is the definition of a ray. A ray is a line of LIGHT that travels in a straight line, and can be emitted from a variety of sources, such as the sun, moon, stars, and even man-made sources like flashlights.