a closure that conceals a zip, buttons, or other fastening, by having one side overlapping, as on trousers
another name for fly1 (sense 21)
fly front in American English
noun
a flap of material down one side of the front opening of a garment to conceal buttons, fasteners, or the like, as on a coat or dress
Word origin
[1890–95]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blanket roll, bootstrap, historicism, masochism, phoneme
Examples of 'fly front' in a sentence
fly front
Men's trousers from this range are undoubtedly pyjama trousers, in which, thankfully, the fly front has been sewn up.