Definition - ray

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

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