(noun, verb)


1. a column of light (as from a beacon)

Similar word(s): beam, irradiation, shaft

Definition categories: phenomenon, light

2. a branch of an umbel or an umbelliform inflorescence

Definition categories: plant, pedicel, pedicle

3. (mathematics) a straight line extending from a point

Definition categories: shape, vector

4. a group of nearly parallel lines of electromagnetic radiation

Similar word(s): beam

Definition categories: phenomenon

5. the syllable naming the second (supertonic) note of any major scale in solmization

Definition categories: communication

6. any of the stiff bony spines in the fin of a fish

Definition categories: animal, spine

7. cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

Definition categories: animal, elasmobranch, selachian

Sentences with ray as a noun:

- I saw a ray of light through the clouds.

- Unfortunately he didn't have a ray of hope.


1. emit as rays

- That tower rays a laser beam for miles across the sky

Definition categories: weather, emit

2. extend or spread outward from a center or focus or inward towards a center

Similar word(s): radiate

Definition categories: stative, extend, go, lead, pass, run

3. expose to radiation

Similar word(s): irradiate

Definition categories: change, process, treat