fly, fly front(noun)
an opening in a garment that is closed by a zipper or by buttons concealed under a fold of cloth
A fly front is a design feature in clothing, primarily in pants, trousers or skirts, where a hidden closure, often a zipper or buttons, is covered by an additional piece of fabric to provide a seamless, smooth front appearance. This style is also common in jackets and coats. The fabric covering the closure is also known as a 'fly'.
The numerical value of fly front in Chaldean Numerology is: 2
The numerical value of fly front in Pythagorean Numerology is: 8