This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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n. A fastening device consisting of parallel rows of metal, plastic, or nylon teeth on adjacent edges of an opening that are interlocked by a sliding tab.

v. To fasten or unfasten or become fastened or unfastened with a zipper; zip.

n. A zip fastener.

n. A pressure-sensitive plastic closure.

n. leucine zipper

v. To close a zipper.

v. To put a zipper on an article.

v. close with a zipper

n. a fastener for locking together two toothed edges by means of a sliding tab

"Don't agree with everything you say, but that fish with a zipper is the best comeback I've heard in years."

zippers   

fix    secure    fasten    fixing    holdfast    fastener    fastening   

slide fastener    zip fastener   

Dipper    Flipper    chipper    clipper    dipper    flipper    hipper    kipper    lipper    nipper   

Velcro    Windbreaker    buckle    duffel    fastening    eyelet    fastener    rivet    zip    denim