a narrow beam of light.

a gleam or slight manifestation

a ray of hope.

a raylike line or stretch of something.

light or radiance.

a line of sight.

Physics, Optics .

any of the lines or streams in which light appears to radiate from a luminous body.

the straight line normal to the wave front in the propagation of radiant energy.

a stream of material particles all moving in the same straight line.

Mathematics .

one of a system of straight lines emanating from a point.

Also called half-line. the part of a straight line considered as originating at a point on the line and as extending in one direction from that point.

any of a system of parts radially arranged.

Zoology .

one of the branches or arms of a starfish or other radiate animal.

one of the bony or cartilaginous rods in the fin of a fish.

Botany .

ray flower.

one of the branches of an umbel.

vascular ray.

(in certain composite plants) the marginal part of the flower head.

Astronomy . one of many long, bright streaks radiating from some of the large lunar craters.

a prominent upright projection from the circlet of a crown or coronet, having a pointed or ornamented termination.

to emit rays.

to issue in rays.

to send forth in rays.

to throw rays upon; irradiate.

to subject to the action of rays, as in radiotherapy.

Informal . to make a radiograph of; x-ray.

to furnish with rays or radiating lines. ?

get or grab some rays, Slang . to relax in the sun

esp. to sunbathe.

noun

bar , blaze , blink , emanation , flash , flicker , gleam , glimmer , glint , glitter , hint , incandescence , irradiation , light , moonbeam , patch , pencil , radiance , radiation , scintilla , shaft , shine , spark , sparkle , streak , stream , sunbeam , trace , wavenotes:ray is distinguished from beam in that it describes a smaller quantity of light (beam being a collection of parallel rays) , alpha , beam , beta , fish , flair , gamma , indication , irradiate , line , manta , particle , radial , radiate , skate , stripe , vision