To join or fasten together. To associate or consider as related: no reason to connect the two events. See Synonyms at join. To join to or by means of a communications circuit: Please connect me to the number in San Diego. Her computer is connected to the Internet. To plug in (an electrical cord or device) to an outlet. To become joined or united: two streams connecting to form a river. To be scheduled so as to provide continuing service, as between airplanes or buses. To establish a rapport or relationship; relate: The candidate failed to connect with the voters. Sports To hit or play a ball successfully: The batter connected for a home run.