Definition of zip noun from the Oxford Advanced Learner's Dictionary

zip

noun
zɪp
 
; zɪp
 
 
1 (also zip fastener) (both British English) (also zipper North American English, British English) [countable] a thing that you use to fasten clothes, bags, etc. It consists of two rows of metal or plastic teeth that you can pull together to close something or pull apart to open itto do up/undo/open/close a zipMy zip's stuck.2 [uncountable] (informal) energy or speed3 [singular] (informal, especially North American English) nothingWe won four zip (= 4–0).He said zip all evening.