WordWeb Online

1. A column of light (as from a beacon)
   - beam, beam of light, light beam, ray of light, shaft, shaft of light, irradiation
    
2. A branch of an umbel or an umbelliform inflorescence
    
3. (mathematics) a straight line extending from a point
    
4. A group of nearly parallel lines of electromagnetic radiation
   - beam, electron beam
    
5. The syllable naming the second (supertonic) note of any major scale in solmization
   - re
    
6. Any of the stiff bony spines in the fin of a fish
    
7. Cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

1. Emit as rays
   "That tower rays a laser beam for miles across the sky"
    
2. Extend or spread outward from a centre or focus or inward towards a centre
   "spokes ray from the hub of the wheel";
   - radiate
    
3. Expose to radiation
   - irradiate

Sounds like: razors, raise

Derived forms: rayed, rays, raying

Type of: elasmobranch, electromagnetic radiation, electromagnetic wave, emit, extend, give off, give out, go, lead, light, nonparticulate radiation, pass, pedicel, pedicle, process, run, selachian, solfa syllable, spine, treat, vector, visible light, visible radiation

Part of: fin

Encyclopedia: Ray, Nicholas