The term 'HANGMAN's Knot' is a type of knot used in the game of HANGMAN. It is also known as a NOOSE, which is a five-letter word that can be used to solve a crossword puzzle. The HANGMAN's Knot is a simple knot that is tied in a loop and then tightened around the neck of the person playing the game. It is used to represent the life of the person playing the game, and when all of the letters of the word have been guessed, the knot is tightened and the game is over.