knot

a tight cluster of people or things

a small knot of women listened to his sermon

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

make into knots; make knots out of

She knotted her fingers

tie or fasten into a knot

knot the shoelaces