Definition of

Knot

  1. (noun, group) a tight cluster of people or things
    the bird had a knot of feathers forming a crest
  2. (noun, artifact) any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
  3. (noun, substance) a hard cross-grained round piece of wood in a board where a branch emerged
  4. (noun, shape) something twisted and tight and swollen
    the old man's fists were two great gnarls
    his stomach was in knots
  5. (noun, quantity) a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
  6. (noun, attribute) soft lump or unevenness in a yarn; either an imperfection or created by design
  7. (noun, animal) a sandpiper that breeds in the Arctic and winters in the southern hemisphere
  8. (verb, creation) make into knots; make knots out of
  9. (verb, contact) tie or fasten into a knot
  10. (verb, contact) tangle or complicate

via WordNet, Princeton University

Antonyms of Knot

unknot

Origin of the word Knot

  1. O.E. cnotta "intertwining of ropes, cords, etc.," from P.Gmc. *knuttan- (cf. Low Ger. kn?tte, Du. knot, O.H.G. knoto, Ger. Knoten, perhaps also O.N. knutr "knot, knob"). Fig. sense of "difficult problem" was in O.E. (cf. Gordian knot). Symbolic of the bond of wedlock, early 13c. As an ornament of dress, first attested c.14… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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