modem

 
Pronunciation: /ˈməʊdɛm/

noun

  • a combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line.

verb

[with object and adverbial of direction]
  • send (data) by modem: Iva and Bill were modeming new programs to New Orleans

Origin:

1950s: blend of modulator and demodulator