Dictionary definition · knot
noun
- a tight cluster of people or things"a small knot of women listened to his sermon"
- any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
- a hard cross-grained round piece of wood in a board where a branch emerged"the saw buckled when it hit a knot"
- (of ships and wind) a unit of speed equal to one nautical mile per hour or about 1.15 statute miles per hour
- something twisted and tight and swollen"their muscles stood out in knots"
- soft lump or unevenness in a yarn; either an imperfection or created by design
- a sandpiper that breeds in the Arctic and winters in the Southern Hemisphere
verb
- make into knots; make knots out of"She knotted her fingers"
- tie or fasten into a knot"knot the shoelaces"
- tangle or complicate"a ravelled story"
Source: Open English WordNet (CC BY 4.0).