#linkup__link__tie__tie-in__tiein  a fastener that serves to join or link; "the walls are held together with metal links placed in the wet mortar during construction"
  supertype:  holdfast__fastener__fastening  restraint that attaches to something or holds something in place
  subtype:  bridge.linkup__nosepiece  the link between two lenses; rests on nose

No statement uses or specializes linkup; click here to add one.