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

• control character
• control circuit
• control condition
• control experiment
• control freak
• control function
• control grid
• control key
• control operation
• control panel
• control rod
• control room
• control stick
• control stock
• control surface
• control system
• control tower
• controllability
• controllable
• controlled
• controlled substance
• controller
• controllership
• controlling
• controlling interest