knoop

• Noun

  1. button (knob or small disc serving as a fastener)
  2. knot (i.e. a loop of string or any other long flexible material which cannot be untied without pulling part of the string through the loops)
  3. knot
  4. knot (i.e. a unit of velocity, corresponding to traveling a distance of 1 nautical mile per hour)
  5. node, joint

• Verb