landline

 

English Wikipedia has an article on:

landline

Wikipedia

 

• land line

land +‎ line

• Audio (Southern England):

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landline (plural landlines)

1. A fixed telephone communications cable; originally, one run over land, as opposed to a submarine cable.
   • 1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 134:

     The land line was eight months later in its completion than was anticipated, but the fleet of cable ships, sent out by the British Australian Telegraph Company, arrived in Port Darwin at the date appointed by them: November 6th, 1871.

2. (by extension) A telephone connected by such a fixed wire, specifically not wireless/mobile.
3. (attributively) That which is connected by such a fixed wire (telephone, internet etc.).

• wireline

• groundline
• hardline