- 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"
- 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"
- something twisted and tight and swollen;
"their muscles stood out in knots" "the old man's fists were two great gnarls" "his stomach was in knots"
- a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
- 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