[dee-koh-der] 
| 1. | a person who decodes messages or the like. |
| 2. | a device for decoding cryptograms, codes, or the like, as an electric or electronic apparatus that transforms arbitrary input signals into letters, words, etc. |
| 3. | Navigation. an electronic circuit designed to respond only to certain signals and to reject others. |
| 4. | Computers. a circuit designed to produce a single output when actuated by a certain combination of inputs. |
| 5. | Television. a box attached to a television set containing circuitry to unscramble encoded signals, as cable-television programs or closed captions, so that the signals can be displayed on the screen. |
| de·cod·er (dē-kō'dər) n.
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dər