| 1. | any thin, flat, circular plate or object. |
| 2. | any surface that is flat and round, or seemingly so: the disk of the sun. |
| 3. | disc (def. 1). |
| 4. | Computers. any of several types of media consisting of thin, round plates of plastic or metal, used for external storage: magnetic disk; floppy disk; optical disk. |
| 5. | Botany, Zoology. any of various roundish, flat structures or parts. |
| 6. | intervertebral disk. |
| 7. | Botany. (in the daisy and other composite plants) the central portion of the flower head, composed of tubular florets. |
| 8. | any of the circular steel blades that form the working part of a disk harrow. |
| 9. | Mathematics. the domain bounded by a circle. |
| 10. | Archaic. discus. |
disk or disc (dĭsk) Pronunciation Key
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