knot

nouns

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"
is a type of (narrower)
a grouping of a number of similar things
"a bunch of trees"; "a cluster of admirers"
any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
is derived from
is a type of (narrower)
restraint that attaches to something or holds something in place
a hard cross-grained round piece of wood in a board where a branch emerged
"the saw buckled when it hit a knot"
is a part of
a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
is a type of (narrower)
the hard fibrous lignified substance under the bark of trees
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"
is derived from
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

verbs

make into knots; make knots out of
"She knotted her fingers"
is a type of (narrower)
make from scratch
tie or fasten into a knot
"knot the shoelaces"
is a type of (narrower)
fasten or secure with a rope, string, or cord
"They tied their victim to the chair"
tangle or complicate
"a ravelled story"
antonym