From Longman Dictionary of Contemporary Englishlandlineland‧line /ˈlændˌlaɪn/ noun [countable] a telephone connection that uses wires, as opposed to a mobile phone I'll be at home, so you can call me on the landline.From Longman Business Dictionarylandlineland‧line /ˈlændlaɪn/ noun [countable]TELECOMMUNICATIONS a telephone connection that receives a signal from wires attached to poles or from a cable (=thick wire) under the groundI’ll call you back on the landline, it’s cheaper.
