A knot is a securely fastened loop of string, rope, or fabric. Before kids learn to tie their shoelaces, they first have to learn to tie a simple knot. If someone asks you to "tie the knot," give it some thought since they are asking you to get married.

Sailors need to know how to make many different rope knots, and doctors learn to tie knots with the thin sutures they use to stitch wounds closed. You can also talk about a group or tight gathering of people as a knot: "A knot of fans formed around the movie star as she walked down the street." When you knot something, you tie it into knots or make a situation more complicated and snarled.

Definitions of knot
  1. noun
    any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
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    barrel knot, blood knot
    a knot used for tying fishing leaders together; the ends of the two leaders are wrapped around each other two or three times
    bow, bowknot
    a knot with two loops and loose ends; used to tie shoelaces
    carrick bend
    a knot used to connect the ends of two large ropes or hawsers
    clove hitch
    a knot used to fasten a line temporarily to a post or spar
    figure eight, figure of eight
    a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose
    fisherman's bend
    a knot for tying a line to a spar or ring
    fisherman's knot, true lover's knot, truelove knot
    a knot for tying the ends of two lines together
    Gordian knot
    an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
    half hitch
    a knot used to fasten a rope temporarily to an object; usually tied double
    hawser bend
    a knot uniting the ends of two lines
    a knot that can be undone by pulling against the strain that holds it; a temporary knot
    loop knot
    any of various knots used to make a fixed loop in a rope
    love knot, lover's knot, lovers' knot, true lover's knot, true lovers' knot
    a stylized or decorative knot used as an emblem of love
    overhand knot
    a simple small knot (often used as part of other knots)
    prolonge knot, sailor's breastplate
    a knot in the rope used to drag a gun carriage
    a knot for shortening a line
    a knot at the end of a cord or rope that can slip along the cord or rope around which it is made
    square knot
    a double knot made of two half hitches and used to join the ends of two cords
    stopper knot
    a knot that prevents a rope from passing through a hole
    surgeon's knot
    any of several knots used in tying stitches or ligatures
    Turk's head
    an ornamental knot that resembles a small turban
    Blackwall hitch
    a simple hitch used for temporarily attaching a line to a hook
    bowline, bowline knot
    a loop knot that neither slips nor jams
    a hitch in the middle of rope that has two eyes into which tackle can be hooked
    Matthew Walker, Matthew Walker knot
    a kind of stopper knot
    flat knot, reef knot
    a square knot used in a reef line
    rolling hitch
    a hitch for fastening a line to a spar or another rope
    becket bend, sheet bend, weaver's hitch, weaver's knot
    a hitch used for temporarily tying a rope to the middle of another rope (or to an eye)
    timber hitch
    a hitch used to secure a rope to a log or spar; often supplemented by a half hitch
    Windsor knot
    a wide triangular slipknot for tying a tie
    type of:
    fastener, fastening, fixing, holdfast
    restraint that attaches to something or holds something in place
  2. noun
    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”
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    type of:
    bunch, clump, cluster, clustering
    a grouping of a number of similar things
  3. verb
    make into knots; make knots out of
    “She knotted her fingers”
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    make knotted patterns
    type of:
    create from raw material, create from raw stuff
    make from scratch
  4. verb
    tie or fasten into a knot
    knot the shoelaces”
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    type of:
    bind, tie
    fasten or secure with a rope, string, or cord
  5. verb
    tangle or complicate
    synonyms: ravel, tangle
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    unknot, unpick, unravel, unscramble, untangle
    become or cause to become undone by separating the fibers or threads of
    ravel, ravel out, unravel
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    type of:
    enlace, entwine, interlace, intertwine, lace, twine
    spin,wind, or twist together
  6. noun
    a hard cross-grained round piece of wood in a board where a branch emerged
    “the saw buckled when it hit a knot
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    type of:
    the hard fibrous lignified substance under the bark of trees
  7. noun
    soft lump or unevenness in a yarn; either an imperfection or created by design
    synonyms: burl, slub
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    type of:
    raggedness, roughness
    a texture of a surface or edge that is not smooth but is irregular and uneven
  8. noun
    something twisted and tight and swollen
    “their muscles stood out in knots
    “his stomach was in knots
    synonyms: gnarl
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    type of:
    distorted shape, distortion
    a shape resulting from distortion
  9. noun
    a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
    synonyms: air mile, international nautical mile, mi, mile, naut mi, nautical mile
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    type of:
    nautical linear unit
    a linear unit of distance used in navigation
  10. noun
    a sandpiper that breeds in the Arctic and winters in the southern hemisphere
    synonyms: Calidris canutus, grayback, greyback
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    type of:
    any of numerous usually small wading birds having a slender bill and piping call; closely related to the plovers
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