Definition of "knot"
noun:
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A looping of a piece of string or of any other long, flexible material that cannot be untangled without passing one or both ends of the material through its loops.
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A tangled clump.
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A maze-like pattern.
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A non-self-intersecting closed curve in (e.g., three-dimensional) space that is an abstraction of a knot (in sense 1 above).
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A difficult situation.
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The whorl left in lumber by the base of a branch growing out of the tree's trunk.
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Local swelling in a tissue area, especially skin, often due to injury.
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A group of people or things.
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A unit of speed, equal to one nautical mile per hour.
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A nautical mile (incorrectly).
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One of a variety shore bird; the red-breasted sandpiper (variously Calidris canutus or Tringa canutus).
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verb:
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To form into a knot; tie with (a) knot(s).
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To form wrinkles in the forehead, as a sign of concentration, concern, surprise, etc.
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