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Definition of knot noun from the Oxford Advanced Learner's Dictionary

knot

noun
 
/nɒt/
 
/nɑːt/
Idioms
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    in string/rope

  1. a join made by tying together two pieces or ends of string, rope, etc.
    • to tie a knot
    • Tie the two ropes together with a knot.
    • Tie a knot in the rope.
    • Sailors had to know lots of different knots.
    see also granny knot, Gordian knot, reef knot, slip knot, square knot, Windsor knot
    Oxford Collocations Dictionaryadjective
    • loose
    • tight
    • tangled
    verb + knot
    • do
    • tie
    • undo
    preposition
    • knot in
    phrases
    • a knot in your stomach
    See full entry
  2. of hair

  3. a way of twisting hair into a small round shape at the back of the head
    • She had her hair in a knot.
    Topics Appearancec2
  4. a tight mass in something such as hair or wool, where it has become twisted together
    • hair full of knots and tangles
  5. in wood

  6. a hard round spot in a piece of wood where there was once a branch
  7. group of people

  8. a small group of people standing close together
    • Little knots of people had gathered at the entrance.
  9. of muscles

  10. a tight, hard feeling in the stomach, throat, etc. caused by nerves, anger, etc.
    • My stomach was in knots.
    • I could feel a knot of fear in my throat.
  11. speed of boat/plane

  12. a unit for measuring the speed of boats and aircraft; one nautical mile per hourTopics Maths and measurementc2
  13. Word OriginOld English cnotta, of West Germanic origin; related to Dutch knot.
Idioms
at a rate of knots
  1. (British English, informal) very quickly
    • She's getting through her winnings at a rate of knots.
tie somebody/yourself (up) in knots
  1. (informal) to become or make somebody very confused
    • I got myself tied up in knots when I tried to explain the legal system to them.
tie the knot
  1. (informal) to get married
See knot in the Oxford Advanced American Dictionary
hat-trick
noun
 
 
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