Fowl's Crest is a term used to describe the crest of feathers on the head of a bird. It is also known as a COMB, which is a four-letter word that can be used to solve a crossword puzzle. The crest of feathers is usually more prominent in male birds and is used to attract mates or to intimidate other birds. Fowl's Crest is an important part of a bird's anatomy and is used for both aesthetic and practical purposes.