wireless telegraph
noun
formerly, a method of sending telegrams by radio signals rather than by wires or cables.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The congenial soil in which the fruit of Intelligence ripens is Suggestion, and the wireless telegraphs of the mind are the means by which it rejoices to communicate.
From Somehow Good by William Frend De Morgan