The term 'Hole Number' is commonly used in golf, referring to the number of the hole on the course. The crossword solutions for this term are EIGHTEEN (8 letters), PAR (3 letters), LEACH (5 letters), and YARDS (5 letters). EIGHTEEN is the maximum number of holes on a golf course, PAR is the number of strokes a skilled golfer should take to complete a hole, LEACH is the number of YARDS from the tee to the green, and YARDS is the unit of measurement used to measure the length of a golf hole.