knot (Noun) — Any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object.
knot (Noun) — A tight cluster of people or things. ex. "a small knot of women listened to his sermon" ex. "the bird had a knot of feathers forming a crest"
knot (Noun) — A hard cross-grained round piece of wood in a board where a branch emerged. ex. "the saw buckled when it hit a knot"
knot (Noun) — Something twisted and tight and swollen. ex. "their muscles stood out in knots" ex. "his stomach was in knots"
knot (Noun) — Soft lump or unevenness in a yarn; either an imperfection or created by design.
knot (Noun) — A sandpiper that breeds in the Arctic and winters in the southern hemisphere.
knot (Noun) — A unit of speed equal to one nautical mile per hour.
knot (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.
knot (Verb) — Make into knots; make knots out of. ex. "She knotted her fingers"
knot (Verb) — Tie or fasten into a knot. ex. "knot the shoelaces"
knot (Verb) — Make more complicated or confused.