Definitions

1. noun

A narrow beam of light, especially one that is emitted from a source such as the sun or a laser.

“The sunlight shone through the window in a bright ray.”

2. verb

To shine or send out rays, especially light.

“The stars will ray across the night sky in a few hours.”

3. noun

A branch or division of a star, typically visible as a bright streak in a photograph or from space.

“The astronomers studied the ray of a distant supernova.”

4. noun

A rod or beam, typically made of wood or metal, used to support or connect something.

“The bridge’s main support is a long ray.”

5. verb

To travel or extend in a straight line.

“The river rayed out from the lake.”

6. noun

A type of fish with a long, slender body, typically found in tropical and subtropical waters.

“The divers spotted a manta ray in the ocean.”

7. noun

A type of celestial radiation, typically seen as a line or streak of light.

“The astronomers detected a cosmic ray in their data.”

8. noun

A type of radiation, especially one that is emitted by a radioactive substance.

“The radiation was measured in units of rads and rems.”