1. A fastener that serves to join or connect
   - link, tie, tie-in

1. Be or become joined or united or linked
   "The travellers linked up again at the airport"
   - connect, link, join, unite 
2. Connect, fasten, or put together two or more pieces
   - connect, link, tie 
3. Make a logical or causal connection
   - associate, tie in, relate, link, colligate, connect

Derived forms: linking up, linkups, links up, linked up

Type of: cerebrate, cogitate, fastener, fastening, fixing, holdfast, think

Encyclopedia: Linkup

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