#knot  any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
  supertype:  holdfast__fastener__fastening  restraint that attaches to something or holds something in place
  subtype:  barrel_knot__blood_knot__bloodknot  a knot used for tying fishing leaders together; the ends of the two leaders are wrapped around each other two or three times
  subtype:  bowknot__bow  a knot with two loops and loose ends; used to tie shoelaces
  subtype:  carrick_bend__carrickbend  a knot used to connect the ends of two large ropes or hawsers
  subtype:  clove_hitch__clovehitch  a knot used to fasten a line temporarily to a post or spar
  subtype:  figure_of_eight__figure_eight  a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose
  subtype:  fisherman's_bend__fisherman'sbend  a knot for tying a line to a spar or ring
  subtype:  fisherman's_knot__fisherman'sknot__true_lover's_knot__truelove_knot  a knot for tying the ends of two lines together
  subtype:  Gordian_knot  an intricate knot tied by King Gordius of Phrygia and cut with his sword by Alexander the Great after hearing that whoever undid it would become ruler of Asia
  subtype:  half_hitch  a knot used to fasten a rope temporarily to an object; usually tied double
  subtype:  hawser_bend  a knot uniting the ends of two lines
  subtype:  hitch  a knot that can be undone by pulling against the strain that holds it
     subtype:  Blackwall_hitch  a simple hitch used for temporarily attaching a line to a hook
     subtype:  cat's-paw__cat'spaw  a hitch in the middle of rope that has two eyes into which tackle can be hooked
     subtype:  rolling_hitch__rollinghitch  a hitch for fastening a line to a spar or another rope
        subtype:  magnus_hitch  a rolling hitch similar to a clove hitch
     subtype:  sheet_bend__sheetbend__becket_bend__weaver's_knot__weaver's_hitch  a hitch used for temporarily tying a rope to the middle of another rope (or to an eye)
     subtype:  timber_hitch  a hitch used to secure a rope to a log or spar; often supplemented by a half hitch
  subtype:  loop_knot  any of various knots used to make a fixed loop in a rope
     subtype:  bowline_knot__bowlineknot__bowline  a loop knot that neither slips not jams
  subtype:  love_knot__lover's_knot__lover'sknot  a stylized knot used as an emblem of love
  subtype:  overhand_knot  a simple small knot (often used as part of other knots)
  subtype:  prolonge_knot__sailor's_breastplate  a knot in the rope used to drag a gun carriage
  subtype:  sheepshank  a knot for shortening a line
  subtype:  slipknot  a knot at the end of a cord or rope that can slip along the cord or rope around which it is made
  subtype:  square_knot  a double knot made of two half hitches and used to join the ends of two cords
     subtype:  reef_knot__flat_knot  a square knot used in a reef line
        subtype:  granny_knot__granny  a reef knot crossed the wrong way and therefore insecure
  subtype:  stopper_knot__stopperknot  a knot that prevents a rope from passing through a hole
     subtype:  Matthew_Walker_knot__Matthew_Walker  a kind of stopper knot
  subtype:  surgeon's_knot__surgeon'sknot  any of several knots used in tying stitches or ligatures
  subtype:  Turk's_head  an ornamental knot that resembles a small turban
  subtype:  Windsor_knot  a wide triangular knot for tying a tie

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