Definition of landline
1 : a line of transportation or communication (as by telegraph) on land; especially : a telephone line that transmits signals from one station to another directly along a wire without the use of radio waves <It reminds me of the tipping point several years ago when people realized they no longer needed a telephone landline and would do just fine with their cell phones. — Rana Foroohar> —often used before another noun <a landline phone> <a landline network>
2 : a telephone that connects by wire : a landline telephone <Of course, if you're really worried, you could ditch your cell phone for a quaint landline. — Kiera Butler>
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