usage: a fastener that serves to join or connect; "the walls are held together with metal links placed in the wet mortar during construction"
Verb
1. connect, link, link up, join, unite
usage: be or become joined or united or linked; "The two streets connect to become a highway"; "Our paths joined"; "The travelers linked up again at the airport"
2. connect, link, tie, link up
usage: connect, fasten, or put together two or more pieces; "Can you connect the two loudspeakers?"; "Tie the ropes together"; "Link arms"
3. associate, tie in, relate, link, colligate, link up, connect, think, cogitate, cerebrate
usage: make a logical or causal connection; "I cannot connect these two pieces of evidence in my mind"; "colligate these facts"; "I cannot relate these events at all"