An overland telegraph-line, as distinguished from a marine cable.(noun)
In fishing, a line passing from the end of a seine to the shore.(noun)
The Century Dictionary (Public Domain)
Use "land-line" in a sentence
"Unlike a conventional land-line telephone, a mobile phone usually is used by only one person, and it stays with that person everywhere, throughout the day."
"I'm in San Cristobal which is a small town with only dial-up avaliable if you can get a land-line, so I use TelCel Banda Ancha 3G for the internet."
"In my tests, with a laptop modem, it proved dramatically faster than Verizon's 3G network, and recorded speeds on a par with some land-line Internet connections."