noun
(chiefly US, Australia) A zip fastener.
A pressure-sensitive plastic closure, as on a Ziploc bag.
(biochemistry) A leucine zipper.
(slang) A scar on a person's body.
(US, military, slang, dated) An air patrol carried out at dawn or dusk.
(BDSM) A string of clothes pegs or clips attached to the body and then quickly pulled off.
(programming) A technique for arbitrarily traversing an aggregate data structure and updating its contents. See zipper (data structure).
A zipline.
verb
To close a zipper.
To put a zipper on an article.
To act in a manner similar to a zipper.