n.
1.a tight cluster of people or things
2.any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
3.a hard cross-grained round piece of wood in a board where a branch emerged
4.something twisted and tight and swollen
5.a unit of length used in navigation
6.soft lump or unevenness in a yarn
7.a sandpiper that breeds in the arctic and winters in the southern hemisphere knot v.
1.make into knots
2.tie or fasten into a knot
3.tangle or complicate