knot

Sense 1 noun

a tight cluster of people or things

a small knot of women listened to his sermon

Sense 2 verb

make into knots; make knots out of

She knotted her fingers

Sense 3 noun

any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object

Sense 4 verb

tie or fasten into a knot

knot the shoelaces

Sense 5 noun

a hard cross-grained round piece of wood in a board where a branch emerged

the saw buckled when it hit a knot

Sense 6 verb

tangle or complicate

a ravelled story

Sense 7 noun

something twisted and tight and swollen

their muscles stood out in knots

Sense 8 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

Sense 9 noun

soft lump or unevenness in a yarn; either an imperfection or created by design

Sense 10 noun

a sandpiper that breeds in the Arctic and winters in the southern hemisphere