1.
Coded messages have words or symbols which represent other words, so that the message is secret unless you know the system behind the code.
In a ~ telephone warning, Scotland Yard were told four bombs had been planted in the area.
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2.
If someone is using ~ language, they are expressing their opinion in an indirect way, usually because that opinion is likely to offend people.
It’s widely assumed that his lyrics were ~ references to homosexuality.
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3.
Coded electronic signals use a binary system of digits which can be de~ by an appropriate machine. (TECHNICAL)
The ~ signal is received by satellite dish aerials.
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