| 1. | Also called slide fastener. a device used for fastening clothing, valises, etc., consisting of two toothed tracks or spiral metal or plastic coils, each bordering one of two edges to be joined, and a piece that either interlocks or separates them when pulled. |
| 2. | a person or thing that zips. |
| 3. | a rubber and fabric boot or overshoe fastened up the leg by a zipper. |
| 4. | a large illuminated display of news bulletins or advertisements that rapidly and continously flash by on an upper part of a building. |
| 5. | zip 2 . |
verb, zipped, zip⋅ping, noun, adjective | 1. | to fasten or unfasten with a zipper: Zip your jacket. Zip open the traveling case. |
| 2. | to enclose or free by doing up or undoing a zipper: Zip this money into your wallet. Zip me out of my dress. |
| 3. | to become fastened or unfastened by means of a zipper: a handy purse that zips shut. |
| 4. | to do up or undo a zipper. |
| 5. | a zipper. |
| 6. | utilizing or having a zipper: a coat with a zip front. |
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