Definition of knot verb from the Oxford Advanced American Dictionary

     

    knot

     verb
    verb
    NAmE//nɑt//
     
    Verb Forms present simple I / you / we / they knot
     
    he / she / it knots
     
    past simple knotted
     
    -ing form knotting
     
     
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    tie with knot
  1. 1[transitive] knot something to fasten something with a knot or knots He carefully knotted his tie. She wore a scarf loosely knotted around her neck.
  2. twist
  3. 2[intransitive] to become twisted into a knot synonym tangle
  4. 3[transitive] knot something to twist hair into a particular shape She wore her hair loosely knotted on top of her head.
  5. muscles
  6. 4[intransitive, transitive] knot (something) if muscles, etc. knot or something knots them, they become hard and painful because of fear, excitement, etc. She felt her stomach knot with fear.
See the Oxford Advanced Learner's Dictionary entry: knot