1 (also zip fastener) chiefly British a device consisting of two flexible strips of metal or plastic with interlocking projections closed or opened by pulling a slide along them, used to fasten garments, bags, and other items.
[as modifier] denoting something fastened by a zip:a zip pocket
2 [mass noun] informal energy; vigour:he’s full of zip
(also zippo)North American informal nothing at all:you got zip to do with me and my kind, buddy
verb (zips, zipping, zipped)
1 [with object] fasten with a zip:he zipped up his waterproof
fasten the zip of a garment that (someone) is wearing:he zipped himself up
2 [no object, with adverbial of direction] informal move at high speed:swallows zipped back and forth across the lake
[with object and adverbial] cause to move or be delivered or dealt with rapidly:he zipped a pass out to his receiver
3 Computing compress (a file) so that it takes less space in storage.