Meaning of RADIO in English

RADIO

[verb] radioing, past radioedWe'll have to radio (= send a message by using electromagnetic waves) for more supplies. [I]They radioed (to) their base for help. [T; I + preposition]Can we radio (= send a message by using electrical waves to) the shore from here? [T]

Cambridge English vocab.      Кембриджский английский словарь.