'linkup' definitions:

Definition of 'linkup'

From: WordNet
noun
A fastener that serves to join or connect; "the walls are held together with metal links placed in the wet mortar during construction" [syn: link, linkup, tie, tie- in]

Definition of 'linkup'

From: GCIDE
  • linkup \linkup\ n. something that serves to join or link.
  • Syn: link, tie, tie-in. [WordNet 1.5]