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Dictionary definition for: Ray

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

2. (v) emit as rays; "That tower rays a laser beam for miles across the sky"

3. (n) a branch of an umbel or an umbelliform inflorescence

4. (v) extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel" "This plants radiates spines in all directions"

5. (n) (mathematics) a straight line extending from a point

6. (v) expose to radiation; "irradiate food"

7. (n) a group of nearly parallel lines of electromagnetic radiation

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

9. (n) any of the stiff bony rods in the fin of a fish

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

WordNet 2.1 Copyright Princeton University. All rights reserved.