'Slipknot' definitions:

Definition of 'slipknot'

From: WordNet
noun
A knot at the end of a cord or rope that can slip along the cord or rope around which it is made

Definition of 'Slipknot'

From: GCIDE
  • Slipknot \Slip"knot`\, n. knot which slips along the rope or line around which it is made. [1913 Webster]