knot

noun

an interlacing, twining, looping, etc., of a cord, rope, or the like, drawn tight into a knob or lump, for fastening, binding, or connecting two cords together or a cord to something else.

a piece of ribbon or similar material tied or folded upon itself and used or worn as an ornament.

a group or cluster of persons or things: a knot of spectators.

the hard, cross-grained mass of wood at the place where a branch joins the trunk of a tree.

a part of this mass showing in a piece of lumber, wood panel, etc.

Anatomy, Zoology. a protuberance or swelling on or in a part or process, as in a muscle.

a protuberance in the tissue of a plant; an excrescence on a stem, branch, or root; a node or joint in a stem, especially when of swollen form.

any of various fungal diseases of trees characterized by the formation of an excrescence, knob, or gnarl.

an involved, intricate, or difficult matter; complicated problem.

10.

Nautical.

a unit of speed equal to one nautical mile or about 1.15 statute miles per hour.

a unit of 47 feet 3 inches (13.79 meters) on a log line, marked off by knots.

a nautical mile.

11.

a bond or tie: the knot of matrimony.

12.

Also called joint, node. Mathematics. in interpolation, one of the points at which the values of a function are assigned.

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verb (used with object)

13.

to tie in a knot; form a knot in.

14.

to secure or fasten by a knot.

15.

to form protuberances, bosses, or knobs in; make knotty.

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to run away hurriedly; flee.

to expurgate (a written work) by removing or modifying passages considered vulgar or objectionable.

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verb (used without object)

16.

to become tied or tangled in a knot.

17.

to form knots or joints.

Idioms

18.

tie the knot, Informal. to marry: They will tie the knot in November.

Origin:
before 1000; (noun) Middle English knot(te), Old English cnotta; cognate with Dutch knot, German knoten to knit; (v.) Middle English, derivative of the noun

Related forms

knot·less, adjective

knot·like, adjective

Synonyms
3. company, band, crew, gang, crowd. 7. lump, knob, gnarl. 9. perplexity, puzzle, conundrum.

Dictionary.com Unabridged

noun

either of two large sandpipers, Calidris canutus or C. tenuirostris, that breed in the Arctic and winter in the Southern Hemisphere.

Also called grayback.

Origin:
1425–75; late Middle English; origin uncertain

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To knot

Collins

World English Dictionary

knot¹ (nɒt)

—n
1.	any of various fastenings formed by looping and tying a piece of rope, cord, etc, in upon itself, to another piece of rope, or to another object
2.	a prescribed method of tying a particular knot
3.	a tangle, as in hair or string
4.	a decorative bow or fastening, as of ribbon or braid
5.	a small cluster or huddled group
6.	a tie or bond: the marriage knot
7.	a difficult problem
8.	a protuberance or lump of plant tissues, such as that occurring on the trunks of certain trees
9.	a. a hard mass of wood at the point where a branch joins the trunk of a tree
	b. a cross section of this, usually roundish and cross-grained, visible in a piece of timber
10.	a sensation of constriction, caused by tension or nervousness: his stomach was tying itself in knots
11.	a. pathol a lump of vessels or fibres formed in a part, as in a muscle
	b. anatomy a protuberance on an organ or part
12.	a unit of speed used by nautical vessels and aircraft, being one nautical mile (about 1.15 statute miles or 1.85 km) per hour
13.	one of a number of equally spaced knots on a log line used to indicate the speed of a ship in nautical miles per hour
14.	at a rate of knots very fast
15.	tie someone in knots to completely perplex or confuse someone
16.	informal tie the knot to get married

—vb , knots, knotting, knotted
17.	(tr) to tie or fasten in a knot
18.	to form or cause to form into a knot
19.	(tr) to ravel or entangle or become ravelled or entangled
20.	(tr) to make (an article or a design) by tying thread in an interlaced pattern of ornamental knots, as in macramé

[Old English cnotta; related to Old High German knoto, Old Norse knūtr]

'knotter¹

—n

'knotless¹

—*adj*

'knotlike¹

—*adj*

knot² (nɒt)

—n
	a small northern sandpiper, Calidris canutus, with a short bill and grey plumage

[C15: of unknown origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline

Word Origin & History

knot

O.E. cnotta "intertwining of ropes, cords, etc.," from P.Gmc. *knuttan- (cf. Low Ger. knütte, 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.1400. Meaning "thickened part or protuberance on tissue of a plant" is from late 14c. The nautical unit of measure (1630s) is from the practice of attaching knotted string to the log line. The ship's speed can be measured by the number of knots that play out while the sand glass is running.

"The distance between the knots on the log-line should contain 1/120 of a mile, supposing the glass to run exactly half a minute." [Jorge Juan and Antonio de Ulloa, "A Voyage to South America" 1760]

The verb meaning "to tie in a knot" is from 1547. Knot-hole is from 1726. Knothead "stupid person" is from 1940.

American Heritage

Medical Dictionary

knot (nŏt)
n.