<p><strong>Noun</strong></p><ul><li>a circuit of wire or cable connecting two ground locations.</li><li>a telecommunications line, service, or connection that uses wire running over land or underground to connect to a network: telegraph and telephone landlines.</li><li>Also called landline telephone, a telephone that is connected by wire to a network.</li><li>Compare smartphone (def), dumbphone (def).</li><li>Citizens Band Radio Slang: a telephone.</li></ul>