parts of one or more pieces of string, rope etc twisted together to make a fastening
bow, loop
Cases of word usage
1) a knot made with a loop or loops; a shoelace, ribbon etc tied in this way (bow)
2) to unfasten (a knot etc) (untie)
3) (to cause a ball of wood, a knot etc) to become a straight piece, without twists; (of a person) to relax after a period of tension, exhausting work etc (unwind)
