Definition - ray

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ray
  1. any of the stiff bony spines in the fin of a fish
  2. expose to radiation; "irradiate food"
  3. the syllable naming the second (supertonic) note of any major scale in solmization
  4. extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions"
  5. emit as rays; "That tower rays a laser beam for miles across the sky"
  6. a column of light (as from a beacon)
  7. a group of nearly parallel lines of electromagnetic radiation
  8. a branch of an umbel or an umbelliform inflorescence
  9. (mathematics) a straight line extending from a point
  10. cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

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