bɝl bɜːl ˈɡɹeɪbak

ˈɹævəl slʌb tie or fasten into a knot knot the shoelaces tangle or complicate a ravelled story make into knots; make knots out of She knotted her fingers a sandpiper that breeds in the Arctic and winters in the Southern Hemisphere any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object soft lump or unevenness in a yarn; either an imperfection or created by design 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 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 hard cross-grained round piece of wood in a board where a branch emerged the saw buckled when it hit a knot (of ships and wind) a unit of speed equal to one nautical mile per hour or about 1.15 statute miles per hour