knot in WordNet English dictionary

1. a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
   nautical mile  mile  mi  naut mi  knot  international nautical mile  air mile 
   
2. soft lump or unevenness in a yarn; either an imperfection or created by design
   slub  knot  burl 
   
3. a sandpiper that breeds in the Arctic and winters in the southern hemisphere
   knot  greyback  grayback  Calidris canutus 
   
4. something twisted and tight and swollen
   "their muscles stood out in knots"; "the old man's fists were two great gnarls"; "his stomach was in knots"
   knot  gnarl 
   
5. any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
   knot 
   
6. a tight cluster of people or things
   "a small knot of women listened to his sermon"; "the bird had a knot of feathers forming a crest"
   knot 
   
7. a hard cross-grained round piece of wood in a board where a branch emerged
   "the saw buckled when it hit a knot"
   knot 
   

1. tie or fasten into a knot
   "knot the shoelaces"
   knot 
   
2. tangle or complicate
   "a ravelled story"
   ravel  tangle  knot 
   
3. make into knots; make knots out of
   "She knotted her fingers"
   knot