n. & adj.
--n.
1. esp. Brit. a (in full wireless set) a radio receiving set. b the transmission and reception of radio signals.
Usage:
Now old-fashioned, esp. with ref. to broadcasting, and superseded by radio.
2 wireless telegraphy.
--adj. lacking or not requiring wires.
Phrases and idioms:
wireless telegraphy RADIO-TELEGRAPHY.