noun

1. a person or thing that zips
2. a device used to fasten and unfasten two adjoining edges of material, as on the placket of a dress, the fly of a pair of trousers, etc.: it consists of two rows of tiny interlocking tabs which are joined or separated by sliding a part up or down
3. an oblong, horizontal, rectangular electronic sign on which moving messages of text, data, etc. may be scrolled, using flashing lights, LED displays, etc.

transitive verb, intransitive verb