WordReference Random House Learner's Dictionary of American English © 2026
ray1 /reɪ/USA pronunciation
n. [countable]
ray2 /reɪ/USA pronunciation n.
WordReference Random House Unabridged Dictionary of American English © 2026- a narrow beam of light.
- a slight sign or indication:a ray of hope.
- Optics, Physics, Optics
- any of the lines or streams in which light appears to radiate from a bright body.
- a stream of particles all moving in the same straight line, as x-rays.
ray2 /reɪ/USA pronunciation n.
- [countable]
- Fisha kind of fish having a flattened body and greatly enlarged front fins with the gills on the undersides.
ray1
(rā),USA pronunciation n.
v.i.
v.t.
ray′like′, adj.
ray2 (rā),USA pronunciation n.
Ray (rā for 1, 2, 4, 5; rī for 3),USA pronunciation n.
- 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.
- Optics, Physics, Optics[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
- Mathematicsone of a system of straight lines emanating from a point.
- MathematicsAlso 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.
- [Bot.]
- BotanySee ray flower.
- Botanyone of the branches of an umbel.
- BotanySee vascular ray.
- Botany(in certain composite plants) the marginal part of the flower head.
- Astronomyone 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.
- Idioms get or grab some rays, [Slang.]to relax in the sun, esp. to sunbathe.
v.i.
- to emit rays.
- to issue in rays.
v.t.
- to send forth in rays.
- to throw rays upon;
irradiate. - Medicineto subject to the action of rays, as in radiotherapy.
- Medicine, Informal Terms[Informal.]to make a radiograph of;
x-ray. - to furnish with rays or radiating lines.
- Latin radius radius
- Old French rai
- Middle English raie, raye 1300–50
- 1. See gleam.
ray2 (rā),USA pronunciation n.
- Fishany of numerous elasmobranch fishes, adapted for life on the sea bottom, having a flattened body and greatly enlarged pectoral fins with the gills on the undersides.
- Latin raia
- Old French rai)
- Middle English raye (1275–1325
Ray (rā for 1, 2, 4, 5; rī for 3),USA pronunciation n.
- Biographical John, 1627?–1705, English naturalist.
- a male given name, form of Raymond.
- Also, Raye. a female given name, form of Rachel.
'grab some rays' also found in these entries (note: many are not synonyms or translations):